diff --git a/vendor/github.com/golang/protobuf/proto/decode.go b/vendor/github.com/golang/protobuf/proto/decode.go
index d9aa3c4..63b0f08 100644
--- a/vendor/github.com/golang/protobuf/proto/decode.go
+++ b/vendor/github.com/golang/protobuf/proto/decode.go
@@ -186,7 +186,6 @@
 	if b&0x80 == 0 {
 		goto done
 	}
-	// x -= 0x80 << 63 // Always zero.
 
 	return 0, errOverflow
 
diff --git a/vendor/github.com/golang/protobuf/proto/deprecated.go b/vendor/github.com/golang/protobuf/proto/deprecated.go
new file mode 100644
index 0000000..35b882c
--- /dev/null
+++ b/vendor/github.com/golang/protobuf/proto/deprecated.go
@@ -0,0 +1,63 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2018 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+import "errors"
+
+// Deprecated: do not use.
+type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 }
+
+// Deprecated: do not use.
+func GetStats() Stats { return Stats{} }
+
+// Deprecated: do not use.
+func MarshalMessageSet(interface{}) ([]byte, error) {
+	return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func UnmarshalMessageSet([]byte, interface{}) error {
+	return errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func MarshalMessageSetJSON(interface{}) ([]byte, error) {
+	return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func UnmarshalMessageSetJSON([]byte, interface{}) error {
+	return errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func RegisterMessageSetType(Message, int32, string) {}
diff --git a/vendor/github.com/golang/protobuf/proto/equal.go b/vendor/github.com/golang/protobuf/proto/equal.go
index d4db5a1..f9b6e41 100644
--- a/vendor/github.com/golang/protobuf/proto/equal.go
+++ b/vendor/github.com/golang/protobuf/proto/equal.go
@@ -246,7 +246,8 @@
 			return false
 		}
 
-		m1, m2 := e1.value, e2.value
+		m1 := extensionAsLegacyType(e1.value)
+		m2 := extensionAsLegacyType(e2.value)
 
 		if m1 == nil && m2 == nil {
 			// Both have only encoded form.
diff --git a/vendor/github.com/golang/protobuf/proto/extensions.go b/vendor/github.com/golang/protobuf/proto/extensions.go
index 816a3b9..fa88add 100644
--- a/vendor/github.com/golang/protobuf/proto/extensions.go
+++ b/vendor/github.com/golang/protobuf/proto/extensions.go
@@ -185,9 +185,25 @@
 	// extension will have only enc set. When such an extension is
 	// accessed using GetExtension (or GetExtensions) desc and value
 	// will be set.
-	desc  *ExtensionDesc
+	desc *ExtensionDesc
+
+	// value is a concrete value for the extension field. Let the type of
+	// desc.ExtensionType be the "API type" and the type of Extension.value
+	// be the "storage type". The API type and storage type are the same except:
+	//	* For scalars (except []byte), the API type uses *T,
+	//	while the storage type uses T.
+	//	* For repeated fields, the API type uses []T, while the storage type
+	//	uses *[]T.
+	//
+	// The reason for the divergence is so that the storage type more naturally
+	// matches what is expected of when retrieving the values through the
+	// protobuf reflection APIs.
+	//
+	// The value may only be populated if desc is also populated.
 	value interface{}
-	enc   []byte
+
+	// enc is the raw bytes for the extension field.
+	enc []byte
 }
 
 // SetRawExtension is for testing only.
@@ -334,7 +350,7 @@
 			// descriptors with the same field number.
 			return nil, errors.New("proto: descriptor conflict")
 		}
-		return e.value, nil
+		return extensionAsLegacyType(e.value), nil
 	}
 
 	if extension.ExtensionType == nil {
@@ -349,11 +365,11 @@
 
 	// Remember the decoded version and drop the encoded version.
 	// That way it is safe to mutate what we return.
-	e.value = v
+	e.value = extensionAsStorageType(v)
 	e.desc = extension
 	e.enc = nil
 	emap[extension.Field] = e
-	return e.value, nil
+	return extensionAsLegacyType(e.value), nil
 }
 
 // defaultExtensionValue returns the default value for extension.
@@ -488,7 +504,7 @@
 	}
 	typ := reflect.TypeOf(extension.ExtensionType)
 	if typ != reflect.TypeOf(value) {
-		return errors.New("proto: bad extension value type")
+		return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", value, extension.ExtensionType)
 	}
 	// nil extension values need to be caught early, because the
 	// encoder can't distinguish an ErrNil due to a nil extension
@@ -500,7 +516,7 @@
 	}
 
 	extmap := epb.extensionsWrite()
-	extmap[extension.Field] = Extension{desc: extension, value: value}
+	extmap[extension.Field] = Extension{desc: extension, value: extensionAsStorageType(value)}
 	return nil
 }
 
@@ -541,3 +557,51 @@
 func RegisteredExtensions(pb Message) map[int32]*ExtensionDesc {
 	return extensionMaps[reflect.TypeOf(pb).Elem()]
 }
+
+// extensionAsLegacyType converts an value in the storage type as the API type.
+// See Extension.value.
+func extensionAsLegacyType(v interface{}) interface{} {
+	switch rv := reflect.ValueOf(v); rv.Kind() {
+	case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
+		// Represent primitive types as a pointer to the value.
+		rv2 := reflect.New(rv.Type())
+		rv2.Elem().Set(rv)
+		v = rv2.Interface()
+	case reflect.Ptr:
+		// Represent slice types as the value itself.
+		switch rv.Type().Elem().Kind() {
+		case reflect.Slice:
+			if rv.IsNil() {
+				v = reflect.Zero(rv.Type().Elem()).Interface()
+			} else {
+				v = rv.Elem().Interface()
+			}
+		}
+	}
+	return v
+}
+
+// extensionAsStorageType converts an value in the API type as the storage type.
+// See Extension.value.
+func extensionAsStorageType(v interface{}) interface{} {
+	switch rv := reflect.ValueOf(v); rv.Kind() {
+	case reflect.Ptr:
+		// Represent slice types as the value itself.
+		switch rv.Type().Elem().Kind() {
+		case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
+			if rv.IsNil() {
+				v = reflect.Zero(rv.Type().Elem()).Interface()
+			} else {
+				v = rv.Elem().Interface()
+			}
+		}
+	case reflect.Slice:
+		// Represent slice types as a pointer to the value.
+		if rv.Type().Elem().Kind() != reflect.Uint8 {
+			rv2 := reflect.New(rv.Type())
+			rv2.Elem().Set(rv)
+			v = rv2.Interface()
+		}
+	}
+	return v
+}
diff --git a/vendor/github.com/golang/protobuf/proto/lib.go b/vendor/github.com/golang/protobuf/proto/lib.go
index 75565cc..fdd328b 100644
--- a/vendor/github.com/golang/protobuf/proto/lib.go
+++ b/vendor/github.com/golang/protobuf/proto/lib.go
@@ -341,26 +341,6 @@
 	ProtoMessage()
 }
 
-// Stats records allocation details about the protocol buffer encoders
-// and decoders.  Useful for tuning the library itself.
-type Stats struct {
-	Emalloc uint64 // mallocs in encode
-	Dmalloc uint64 // mallocs in decode
-	Encode  uint64 // number of encodes
-	Decode  uint64 // number of decodes
-	Chit    uint64 // number of cache hits
-	Cmiss   uint64 // number of cache misses
-	Size    uint64 // number of sizes
-}
-
-// Set to true to enable stats collection.
-const collectStats = false
-
-var stats Stats
-
-// GetStats returns a copy of the global Stats structure.
-func GetStats() Stats { return stats }
-
 // A Buffer is a buffer manager for marshaling and unmarshaling
 // protocol buffers.  It may be reused between invocations to
 // reduce memory usage.  It is not necessary to use a Buffer;
@@ -960,13 +940,19 @@
 	return false
 }
 
-// ProtoPackageIsVersion2 is referenced from generated protocol buffer files
-// to assert that that code is compatible with this version of the proto package.
-const ProtoPackageIsVersion2 = true
+const (
+	// ProtoPackageIsVersion3 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion3 = true
 
-// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
-// to assert that that code is compatible with this version of the proto package.
-const ProtoPackageIsVersion1 = true
+	// ProtoPackageIsVersion2 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion2 = true
+
+	// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
+	// to assert that that code is compatible with this version of the proto package.
+	ProtoPackageIsVersion1 = true
+)
 
 // InternalMessageInfo is a type used internally by generated .pb.go files.
 // This type is not intended to be used by non-generated code.
diff --git a/vendor/github.com/golang/protobuf/proto/message_set.go b/vendor/github.com/golang/protobuf/proto/message_set.go
index 3b6ca41..f48a756 100644
--- a/vendor/github.com/golang/protobuf/proto/message_set.go
+++ b/vendor/github.com/golang/protobuf/proto/message_set.go
@@ -36,13 +36,7 @@
  */
 
 import (
-	"bytes"
-	"encoding/json"
 	"errors"
-	"fmt"
-	"reflect"
-	"sort"
-	"sync"
 )
 
 // errNoMessageTypeID occurs when a protocol buffer does not have a message type ID.
@@ -145,46 +139,9 @@
 	return buf[i+1:]
 }
 
-// MarshalMessageSet encodes the extension map represented by m in the message set wire format.
-// It is called by generated Marshal methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSet(exts interface{}) ([]byte, error) {
-	return marshalMessageSet(exts, false)
-}
-
-// marshaMessageSet implements above function, with the opt to turn on / off deterministic during Marshal.
-func marshalMessageSet(exts interface{}, deterministic bool) ([]byte, error) {
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var u marshalInfo
-		siz := u.sizeMessageSet(exts)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, exts, deterministic)
-
-	case map[int32]Extension:
-		// This is an old-style extension map.
-		// Wrap it in a new-style XXX_InternalExtensions.
-		ie := XXX_InternalExtensions{
-			p: &struct {
-				mu           sync.Mutex
-				extensionMap map[int32]Extension
-			}{
-				extensionMap: exts,
-			},
-		}
-
-		var u marshalInfo
-		siz := u.sizeMessageSet(&ie)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, &ie, deterministic)
-
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-}
-
-// UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
+// unmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
 // It is called by Unmarshal methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSet(buf []byte, exts interface{}) error {
+func unmarshalMessageSet(buf []byte, exts interface{}) error {
 	var m map[int32]Extension
 	switch exts := exts.(type) {
 	case *XXX_InternalExtensions:
@@ -222,93 +179,3 @@
 	}
 	return nil
 }
-
-// MarshalMessageSetJSON encodes the extension map represented by m in JSON format.
-// It is called by generated MarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSetJSON(exts interface{}) ([]byte, error) {
-	var m map[int32]Extension
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var mu sync.Locker
-		m, mu = exts.extensionsRead()
-		if m != nil {
-			// Keep the extensions map locked until we're done marshaling to prevent
-			// races between marshaling and unmarshaling the lazily-{en,de}coded
-			// values.
-			mu.Lock()
-			defer mu.Unlock()
-		}
-	case map[int32]Extension:
-		m = exts
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-	var b bytes.Buffer
-	b.WriteByte('{')
-
-	// Process the map in key order for deterministic output.
-	ids := make([]int32, 0, len(m))
-	for id := range m {
-		ids = append(ids, id)
-	}
-	sort.Sort(int32Slice(ids)) // int32Slice defined in text.go
-
-	for i, id := range ids {
-		ext := m[id]
-		msd, ok := messageSetMap[id]
-		if !ok {
-			// Unknown type; we can't render it, so skip it.
-			continue
-		}
-
-		if i > 0 && b.Len() > 1 {
-			b.WriteByte(',')
-		}
-
-		fmt.Fprintf(&b, `"[%s]":`, msd.name)
-
-		x := ext.value
-		if x == nil {
-			x = reflect.New(msd.t.Elem()).Interface()
-			if err := Unmarshal(ext.enc, x.(Message)); err != nil {
-				return nil, err
-			}
-		}
-		d, err := json.Marshal(x)
-		if err != nil {
-			return nil, err
-		}
-		b.Write(d)
-	}
-	b.WriteByte('}')
-	return b.Bytes(), nil
-}
-
-// UnmarshalMessageSetJSON decodes the extension map encoded in buf in JSON format.
-// It is called by generated UnmarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSetJSON(buf []byte, exts interface{}) error {
-	// Common-case fast path.
-	if len(buf) == 0 || bytes.Equal(buf, []byte("{}")) {
-		return nil
-	}
-
-	// This is fairly tricky, and it's not clear that it is needed.
-	return errors.New("TODO: UnmarshalMessageSetJSON not yet implemented")
-}
-
-// A global registry of types that can be used in a MessageSet.
-
-var messageSetMap = make(map[int32]messageSetDesc)
-
-type messageSetDesc struct {
-	t    reflect.Type // pointer to struct
-	name string
-}
-
-// RegisterMessageSetType is called from the generated code.
-func RegisterMessageSetType(m Message, fieldNum int32, name string) {
-	messageSetMap[fieldNum] = messageSetDesc{
-		t:    reflect.TypeOf(m),
-		name: name,
-	}
-}
diff --git a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go
index b6cad90..94fa919 100644
--- a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go
+++ b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go
@@ -79,10 +79,13 @@
 
 // toAddrPointer converts an interface to a pointer that points to
 // the interface data.
-func toAddrPointer(i *interface{}, isptr bool) pointer {
+func toAddrPointer(i *interface{}, isptr, deref bool) pointer {
 	v := reflect.ValueOf(*i)
 	u := reflect.New(v.Type())
 	u.Elem().Set(v)
+	if deref {
+		u = u.Elem()
+	}
 	return pointer{v: u}
 }
 
diff --git a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
index d55a335..dbfffe0 100644
--- a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
+++ b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
@@ -85,16 +85,21 @@
 
 // toAddrPointer converts an interface to a pointer that points to
 // the interface data.
-func toAddrPointer(i *interface{}, isptr bool) pointer {
+func toAddrPointer(i *interface{}, isptr, deref bool) (p pointer) {
 	// Super-tricky - read or get the address of data word of interface value.
 	if isptr {
 		// The interface is of pointer type, thus it is a direct interface.
 		// The data word is the pointer data itself. We take its address.
-		return pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)}
+		p = pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)}
+	} else {
+		// The interface is not of pointer type. The data word is the pointer
+		// to the data.
+		p = pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
 	}
-	// The interface is not of pointer type. The data word is the pointer
-	// to the data.
-	return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
+	if deref {
+		p.p = *(*unsafe.Pointer)(p.p)
+	}
+	return p
 }
 
 // valToPointer converts v to a pointer. v must be of pointer type.
diff --git a/vendor/github.com/golang/protobuf/proto/properties.go b/vendor/github.com/golang/protobuf/proto/properties.go
index 50b99b8..79668ff 100644
--- a/vendor/github.com/golang/protobuf/proto/properties.go
+++ b/vendor/github.com/golang/protobuf/proto/properties.go
@@ -334,9 +334,6 @@
 	sprop, ok := propertiesMap[t]
 	propertiesMu.RUnlock()
 	if ok {
-		if collectStats {
-			stats.Chit++
-		}
 		return sprop
 	}
 
@@ -346,17 +343,20 @@
 	return sprop
 }
 
+type (
+	oneofFuncsIface interface {
+		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
+	}
+	oneofWrappersIface interface {
+		XXX_OneofWrappers() []interface{}
+	}
+)
+
 // getPropertiesLocked requires that propertiesMu is held.
 func getPropertiesLocked(t reflect.Type) *StructProperties {
 	if prop, ok := propertiesMap[t]; ok {
-		if collectStats {
-			stats.Chit++
-		}
 		return prop
 	}
-	if collectStats {
-		stats.Cmiss++
-	}
 
 	prop := new(StructProperties)
 	// in case of recursive protos, fill this in now.
@@ -391,13 +391,14 @@
 	// Re-order prop.order.
 	sort.Sort(prop)
 
-	type oneofMessage interface {
-		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
+	var oots []interface{}
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+	case oneofFuncsIface:
+		_, _, _, oots = m.XXX_OneofFuncs()
+	case oneofWrappersIface:
+		oots = m.XXX_OneofWrappers()
 	}
-	if om, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
-		var oots []interface{}
-		_, _, _, oots = om.XXX_OneofFuncs()
-
+	if len(oots) > 0 {
 		// Interpret oneof metadata.
 		prop.OneofTypes = make(map[string]*OneofProperties)
 		for _, oot := range oots {
diff --git a/vendor/github.com/golang/protobuf/proto/table_marshal.go b/vendor/github.com/golang/protobuf/proto/table_marshal.go
index b167944..5cb11fa 100644
--- a/vendor/github.com/golang/protobuf/proto/table_marshal.go
+++ b/vendor/github.com/golang/protobuf/proto/table_marshal.go
@@ -87,6 +87,7 @@
 	sizer     sizer
 	marshaler marshaler
 	isptr     bool // elem is pointer typed, thus interface of this type is a direct interface (extension only)
+	deref     bool // dereference the pointer before operating on it; implies isptr
 }
 
 var (
@@ -320,8 +321,11 @@
 
 	// get oneof implementers
 	var oneofImplementers []interface{}
-	if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+	case oneofFuncsIface:
 		_, _, _, oneofImplementers = m.XXX_OneofFuncs()
+	case oneofWrappersIface:
+		oneofImplementers = m.XXX_OneofWrappers()
 	}
 
 	n := t.NumField()
@@ -407,13 +411,22 @@
 		panic("tag is not an integer")
 	}
 	wt := wiretype(tags[0])
+	if t.Kind() == reflect.Ptr && t.Elem().Kind() != reflect.Struct {
+		t = t.Elem()
+	}
 	sizer, marshaler := typeMarshaler(t, tags, false, false)
+	var deref bool
+	if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 {
+		t = reflect.PtrTo(t)
+		deref = true
+	}
 	e = &marshalElemInfo{
 		wiretag:   uint64(tag)<<3 | wt,
 		tagsize:   SizeVarint(uint64(tag) << 3),
 		sizer:     sizer,
 		marshaler: marshaler,
 		isptr:     t.Kind() == reflect.Ptr,
+		deref:     deref,
 	}
 
 	// update cache
@@ -448,7 +461,7 @@
 
 func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) {
 	fi.field = toField(f)
-	fi.wiretag = 1<<31 - 1 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
+	fi.wiretag = math.MaxInt32 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
 	fi.isPointer = true
 	fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f)
 	fi.oneofElems = make(map[reflect.Type]*marshalElemInfo)
@@ -476,10 +489,6 @@
 	}
 }
 
-type oneofMessage interface {
-	XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
-}
-
 // wiretype returns the wire encoding of the type.
 func wiretype(encoding string) uint64 {
 	switch encoding {
@@ -2310,8 +2319,8 @@
 			for _, k := range m.MapKeys() {
 				ki := k.Interface()
 				vi := m.MapIndex(k).Interface()
-				kaddr := toAddrPointer(&ki, false)             // pointer to key
-				vaddr := toAddrPointer(&vi, valIsPtr)          // pointer to value
+				kaddr := toAddrPointer(&ki, false, false)      // pointer to key
+				vaddr := toAddrPointer(&vi, valIsPtr, false)   // pointer to value
 				siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
 				n += siz + SizeVarint(uint64(siz)) + tagsize
 			}
@@ -2329,8 +2338,8 @@
 			for _, k := range keys {
 				ki := k.Interface()
 				vi := m.MapIndex(k).Interface()
-				kaddr := toAddrPointer(&ki, false)    // pointer to key
-				vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value
+				kaddr := toAddrPointer(&ki, false, false)    // pointer to key
+				vaddr := toAddrPointer(&vi, valIsPtr, false) // pointer to value
 				b = appendVarint(b, tag)
 				siz := keySizer(kaddr, 1) + valCachedSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
 				b = appendVarint(b, uint64(siz))
@@ -2399,7 +2408,7 @@
 		// the last time this function was called.
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		n += ei.sizer(p, ei.tagsize)
 	}
 	mu.Unlock()
@@ -2434,7 +2443,7 @@
 
 			ei := u.getExtElemInfo(e.desc)
 			v := e.value
-			p := toAddrPointer(&v, ei.isptr)
+			p := toAddrPointer(&v, ei.isptr, ei.deref)
 			b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
 			if !nerr.Merge(err) {
 				return b, err
@@ -2465,7 +2474,7 @@
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
 		if !nerr.Merge(err) {
 			return b, err
@@ -2510,7 +2519,7 @@
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		n += ei.sizer(p, 1) // message, tag = 3 (size=1)
 	}
 	mu.Unlock()
@@ -2553,7 +2562,7 @@
 
 			ei := u.getExtElemInfo(e.desc)
 			v := e.value
-			p := toAddrPointer(&v, ei.isptr)
+			p := toAddrPointer(&v, ei.isptr, ei.deref)
 			b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
 			if !nerr.Merge(err) {
 				return b, err
@@ -2591,7 +2600,7 @@
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
 		b = append(b, 1<<3|WireEndGroup)
 		if !nerr.Merge(err) {
@@ -2621,7 +2630,7 @@
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		n += ei.sizer(p, ei.tagsize)
 	}
 	return n
@@ -2656,7 +2665,7 @@
 
 		ei := u.getExtElemInfo(e.desc)
 		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
+		p := toAddrPointer(&v, ei.isptr, ei.deref)
 		b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
 		if !nerr.Merge(err) {
 			return b, err
diff --git a/vendor/github.com/golang/protobuf/proto/table_unmarshal.go b/vendor/github.com/golang/protobuf/proto/table_unmarshal.go
index ebf1caa..acee2fc 100644
--- a/vendor/github.com/golang/protobuf/proto/table_unmarshal.go
+++ b/vendor/github.com/golang/protobuf/proto/table_unmarshal.go
@@ -136,7 +136,7 @@
 		u.computeUnmarshalInfo()
 	}
 	if u.isMessageSet {
-		return UnmarshalMessageSet(b, m.offset(u.extensions).toExtensions())
+		return unmarshalMessageSet(b, m.offset(u.extensions).toExtensions())
 	}
 	var reqMask uint64 // bitmask of required fields we've seen.
 	var errLater error
@@ -362,46 +362,48 @@
 	}
 
 	// Find any types associated with oneof fields.
-	// TODO: XXX_OneofFuncs returns more info than we need.  Get rid of some of it?
-	fn := reflect.Zero(reflect.PtrTo(t)).MethodByName("XXX_OneofFuncs")
-	if fn.IsValid() {
-		res := fn.Call(nil)[3] // last return value from XXX_OneofFuncs: []interface{}
-		for i := res.Len() - 1; i >= 0; i-- {
-			v := res.Index(i)                             // interface{}
-			tptr := reflect.ValueOf(v.Interface()).Type() // *Msg_X
-			typ := tptr.Elem()                            // Msg_X
+	var oneofImplementers []interface{}
+	switch m := reflect.Zero(reflect.PtrTo(t)).Interface().(type) {
+	case oneofFuncsIface:
+		_, _, _, oneofImplementers = m.XXX_OneofFuncs()
+	case oneofWrappersIface:
+		oneofImplementers = m.XXX_OneofWrappers()
+	}
+	for _, v := range oneofImplementers {
+		tptr := reflect.TypeOf(v) // *Msg_X
+		typ := tptr.Elem()        // Msg_X
 
-			f := typ.Field(0) // oneof implementers have one field
-			baseUnmarshal := fieldUnmarshaler(&f)
-			tags := strings.Split(f.Tag.Get("protobuf"), ",")
-			fieldNum, err := strconv.Atoi(tags[1])
-			if err != nil {
-				panic("protobuf tag field not an integer: " + tags[1])
-			}
-			var name string
-			for _, tag := range tags {
-				if strings.HasPrefix(tag, "name=") {
-					name = strings.TrimPrefix(tag, "name=")
-					break
-				}
-			}
-
-			// Find the oneof field that this struct implements.
-			// Might take O(n^2) to process all of the oneofs, but who cares.
-			for _, of := range oneofFields {
-				if tptr.Implements(of.ityp) {
-					// We have found the corresponding interface for this struct.
-					// That lets us know where this struct should be stored
-					// when we encounter it during unmarshaling.
-					unmarshal := makeUnmarshalOneof(typ, of.ityp, baseUnmarshal)
-					u.setTag(fieldNum, of.field, unmarshal, 0, name)
-				}
+		f := typ.Field(0) // oneof implementers have one field
+		baseUnmarshal := fieldUnmarshaler(&f)
+		tags := strings.Split(f.Tag.Get("protobuf"), ",")
+		fieldNum, err := strconv.Atoi(tags[1])
+		if err != nil {
+			panic("protobuf tag field not an integer: " + tags[1])
+		}
+		var name string
+		for _, tag := range tags {
+			if strings.HasPrefix(tag, "name=") {
+				name = strings.TrimPrefix(tag, "name=")
+				break
 			}
 		}
+
+		// Find the oneof field that this struct implements.
+		// Might take O(n^2) to process all of the oneofs, but who cares.
+		for _, of := range oneofFields {
+			if tptr.Implements(of.ityp) {
+				// We have found the corresponding interface for this struct.
+				// That lets us know where this struct should be stored
+				// when we encounter it during unmarshaling.
+				unmarshal := makeUnmarshalOneof(typ, of.ityp, baseUnmarshal)
+				u.setTag(fieldNum, of.field, unmarshal, 0, name)
+			}
+		}
+
 	}
 
 	// Get extension ranges, if any.
-	fn = reflect.Zero(reflect.PtrTo(t)).MethodByName("ExtensionRangeArray")
+	fn := reflect.Zero(reflect.PtrTo(t)).MethodByName("ExtensionRangeArray")
 	if fn.IsValid() {
 		if !u.extensions.IsValid() && !u.oldExtensions.IsValid() {
 			panic("a message with extensions, but no extensions field in " + t.Name())
@@ -1948,7 +1950,7 @@
 // If there is an error, it returns 0,0.
 func decodeVarint(b []byte) (uint64, int) {
 	var x, y uint64
-	if len(b) <= 0 {
+	if len(b) == 0 {
 		goto bad
 	}
 	x = uint64(b[0])
diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go
index e855b1f..1ded05b 100644
--- a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go
+++ b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go
@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/descriptor.proto
 
-package descriptor // import "github.com/golang/protobuf/protoc-gen-go/descriptor"
+package descriptor
 
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 type FieldDescriptorProto_Type int32
 
@@ -72,6 +74,7 @@
 	17: "TYPE_SINT32",
 	18: "TYPE_SINT64",
 }
+
 var FieldDescriptorProto_Type_value = map[string]int32{
 	"TYPE_DOUBLE":   1,
 	"TYPE_FLOAT":    2,
@@ -98,9 +101,11 @@
 	*p = x
 	return p
 }
+
 func (x FieldDescriptorProto_Type) String() string {
 	return proto.EnumName(FieldDescriptorProto_Type_name, int32(x))
 }
+
 func (x *FieldDescriptorProto_Type) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldDescriptorProto_Type_value, data, "FieldDescriptorProto_Type")
 	if err != nil {
@@ -109,8 +114,9 @@
 	*x = FieldDescriptorProto_Type(value)
 	return nil
 }
+
 func (FieldDescriptorProto_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{4, 0}
+	return fileDescriptor_e5baabe45344a177, []int{4, 0}
 }
 
 type FieldDescriptorProto_Label int32
@@ -127,6 +133,7 @@
 	2: "LABEL_REQUIRED",
 	3: "LABEL_REPEATED",
 }
+
 var FieldDescriptorProto_Label_value = map[string]int32{
 	"LABEL_OPTIONAL": 1,
 	"LABEL_REQUIRED": 2,
@@ -138,9 +145,11 @@
 	*p = x
 	return p
 }
+
 func (x FieldDescriptorProto_Label) String() string {
 	return proto.EnumName(FieldDescriptorProto_Label_name, int32(x))
 }
+
 func (x *FieldDescriptorProto_Label) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldDescriptorProto_Label_value, data, "FieldDescriptorProto_Label")
 	if err != nil {
@@ -149,8 +158,9 @@
 	*x = FieldDescriptorProto_Label(value)
 	return nil
 }
+
 func (FieldDescriptorProto_Label) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{4, 1}
+	return fileDescriptor_e5baabe45344a177, []int{4, 1}
 }
 
 // Generated classes can be optimized for speed or code size.
@@ -168,6 +178,7 @@
 	2: "CODE_SIZE",
 	3: "LITE_RUNTIME",
 }
+
 var FileOptions_OptimizeMode_value = map[string]int32{
 	"SPEED":        1,
 	"CODE_SIZE":    2,
@@ -179,9 +190,11 @@
 	*p = x
 	return p
 }
+
 func (x FileOptions_OptimizeMode) String() string {
 	return proto.EnumName(FileOptions_OptimizeMode_name, int32(x))
 }
+
 func (x *FileOptions_OptimizeMode) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FileOptions_OptimizeMode_value, data, "FileOptions_OptimizeMode")
 	if err != nil {
@@ -190,8 +203,9 @@
 	*x = FileOptions_OptimizeMode(value)
 	return nil
 }
+
 func (FileOptions_OptimizeMode) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{10, 0}
+	return fileDescriptor_e5baabe45344a177, []int{10, 0}
 }
 
 type FieldOptions_CType int32
@@ -208,6 +222,7 @@
 	1: "CORD",
 	2: "STRING_PIECE",
 }
+
 var FieldOptions_CType_value = map[string]int32{
 	"STRING":       0,
 	"CORD":         1,
@@ -219,9 +234,11 @@
 	*p = x
 	return p
 }
+
 func (x FieldOptions_CType) String() string {
 	return proto.EnumName(FieldOptions_CType_name, int32(x))
 }
+
 func (x *FieldOptions_CType) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldOptions_CType_value, data, "FieldOptions_CType")
 	if err != nil {
@@ -230,8 +247,9 @@
 	*x = FieldOptions_CType(value)
 	return nil
 }
+
 func (FieldOptions_CType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{12, 0}
+	return fileDescriptor_e5baabe45344a177, []int{12, 0}
 }
 
 type FieldOptions_JSType int32
@@ -250,6 +268,7 @@
 	1: "JS_STRING",
 	2: "JS_NUMBER",
 }
+
 var FieldOptions_JSType_value = map[string]int32{
 	"JS_NORMAL": 0,
 	"JS_STRING": 1,
@@ -261,9 +280,11 @@
 	*p = x
 	return p
 }
+
 func (x FieldOptions_JSType) String() string {
 	return proto.EnumName(FieldOptions_JSType_name, int32(x))
 }
+
 func (x *FieldOptions_JSType) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldOptions_JSType_value, data, "FieldOptions_JSType")
 	if err != nil {
@@ -272,8 +293,9 @@
 	*x = FieldOptions_JSType(value)
 	return nil
 }
+
 func (FieldOptions_JSType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{12, 1}
+	return fileDescriptor_e5baabe45344a177, []int{12, 1}
 }
 
 // Is this method side-effect-free (or safe in HTTP parlance), or idempotent,
@@ -292,6 +314,7 @@
 	1: "NO_SIDE_EFFECTS",
 	2: "IDEMPOTENT",
 }
+
 var MethodOptions_IdempotencyLevel_value = map[string]int32{
 	"IDEMPOTENCY_UNKNOWN": 0,
 	"NO_SIDE_EFFECTS":     1,
@@ -303,9 +326,11 @@
 	*p = x
 	return p
 }
+
 func (x MethodOptions_IdempotencyLevel) String() string {
 	return proto.EnumName(MethodOptions_IdempotencyLevel_name, int32(x))
 }
+
 func (x *MethodOptions_IdempotencyLevel) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(MethodOptions_IdempotencyLevel_value, data, "MethodOptions_IdempotencyLevel")
 	if err != nil {
@@ -314,8 +339,9 @@
 	*x = MethodOptions_IdempotencyLevel(value)
 	return nil
 }
+
 func (MethodOptions_IdempotencyLevel) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{17, 0}
+	return fileDescriptor_e5baabe45344a177, []int{17, 0}
 }
 
 // The protocol compiler can output a FileDescriptorSet containing the .proto
@@ -331,16 +357,17 @@
 func (m *FileDescriptorSet) String() string { return proto.CompactTextString(m) }
 func (*FileDescriptorSet) ProtoMessage()    {}
 func (*FileDescriptorSet) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{0}
+	return fileDescriptor_e5baabe45344a177, []int{0}
 }
+
 func (m *FileDescriptorSet) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FileDescriptorSet.Unmarshal(m, b)
 }
 func (m *FileDescriptorSet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FileDescriptorSet.Marshal(b, m, deterministic)
 }
-func (dst *FileDescriptorSet) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FileDescriptorSet.Merge(dst, src)
+func (m *FileDescriptorSet) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileDescriptorSet.Merge(m, src)
 }
 func (m *FileDescriptorSet) XXX_Size() int {
 	return xxx_messageInfo_FileDescriptorSet.Size(m)
@@ -392,16 +419,17 @@
 func (m *FileDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*FileDescriptorProto) ProtoMessage()    {}
 func (*FileDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{1}
+	return fileDescriptor_e5baabe45344a177, []int{1}
 }
+
 func (m *FileDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FileDescriptorProto.Unmarshal(m, b)
 }
 func (m *FileDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FileDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *FileDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FileDescriptorProto.Merge(dst, src)
+func (m *FileDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileDescriptorProto.Merge(m, src)
 }
 func (m *FileDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_FileDescriptorProto.Size(m)
@@ -519,16 +547,17 @@
 func (m *DescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*DescriptorProto) ProtoMessage()    {}
 func (*DescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{2}
+	return fileDescriptor_e5baabe45344a177, []int{2}
 }
+
 func (m *DescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DescriptorProto.Unmarshal(m, b)
 }
 func (m *DescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *DescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DescriptorProto.Merge(dst, src)
+func (m *DescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DescriptorProto.Merge(m, src)
 }
 func (m *DescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_DescriptorProto.Size(m)
@@ -622,16 +651,17 @@
 func (m *DescriptorProto_ExtensionRange) String() string { return proto.CompactTextString(m) }
 func (*DescriptorProto_ExtensionRange) ProtoMessage()    {}
 func (*DescriptorProto_ExtensionRange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{2, 0}
+	return fileDescriptor_e5baabe45344a177, []int{2, 0}
 }
+
 func (m *DescriptorProto_ExtensionRange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DescriptorProto_ExtensionRange.Unmarshal(m, b)
 }
 func (m *DescriptorProto_ExtensionRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DescriptorProto_ExtensionRange.Marshal(b, m, deterministic)
 }
-func (dst *DescriptorProto_ExtensionRange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DescriptorProto_ExtensionRange.Merge(dst, src)
+func (m *DescriptorProto_ExtensionRange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DescriptorProto_ExtensionRange.Merge(m, src)
 }
 func (m *DescriptorProto_ExtensionRange) XXX_Size() int {
 	return xxx_messageInfo_DescriptorProto_ExtensionRange.Size(m)
@@ -678,16 +708,17 @@
 func (m *DescriptorProto_ReservedRange) String() string { return proto.CompactTextString(m) }
 func (*DescriptorProto_ReservedRange) ProtoMessage()    {}
 func (*DescriptorProto_ReservedRange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{2, 1}
+	return fileDescriptor_e5baabe45344a177, []int{2, 1}
 }
+
 func (m *DescriptorProto_ReservedRange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DescriptorProto_ReservedRange.Unmarshal(m, b)
 }
 func (m *DescriptorProto_ReservedRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DescriptorProto_ReservedRange.Marshal(b, m, deterministic)
 }
-func (dst *DescriptorProto_ReservedRange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DescriptorProto_ReservedRange.Merge(dst, src)
+func (m *DescriptorProto_ReservedRange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DescriptorProto_ReservedRange.Merge(m, src)
 }
 func (m *DescriptorProto_ReservedRange) XXX_Size() int {
 	return xxx_messageInfo_DescriptorProto_ReservedRange.Size(m)
@@ -725,7 +756,7 @@
 func (m *ExtensionRangeOptions) String() string { return proto.CompactTextString(m) }
 func (*ExtensionRangeOptions) ProtoMessage()    {}
 func (*ExtensionRangeOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{3}
+	return fileDescriptor_e5baabe45344a177, []int{3}
 }
 
 var extRange_ExtensionRangeOptions = []proto.ExtensionRange{
@@ -735,14 +766,15 @@
 func (*ExtensionRangeOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_ExtensionRangeOptions
 }
+
 func (m *ExtensionRangeOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ExtensionRangeOptions.Unmarshal(m, b)
 }
 func (m *ExtensionRangeOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ExtensionRangeOptions.Marshal(b, m, deterministic)
 }
-func (dst *ExtensionRangeOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ExtensionRangeOptions.Merge(dst, src)
+func (m *ExtensionRangeOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ExtensionRangeOptions.Merge(m, src)
 }
 func (m *ExtensionRangeOptions) XXX_Size() int {
 	return xxx_messageInfo_ExtensionRangeOptions.Size(m)
@@ -801,16 +833,17 @@
 func (m *FieldDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*FieldDescriptorProto) ProtoMessage()    {}
 func (*FieldDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{4}
+	return fileDescriptor_e5baabe45344a177, []int{4}
 }
+
 func (m *FieldDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FieldDescriptorProto.Unmarshal(m, b)
 }
 func (m *FieldDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FieldDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *FieldDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FieldDescriptorProto.Merge(dst, src)
+func (m *FieldDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FieldDescriptorProto.Merge(m, src)
 }
 func (m *FieldDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_FieldDescriptorProto.Size(m)
@@ -904,16 +937,17 @@
 func (m *OneofDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*OneofDescriptorProto) ProtoMessage()    {}
 func (*OneofDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{5}
+	return fileDescriptor_e5baabe45344a177, []int{5}
 }
+
 func (m *OneofDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_OneofDescriptorProto.Unmarshal(m, b)
 }
 func (m *OneofDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_OneofDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *OneofDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_OneofDescriptorProto.Merge(dst, src)
+func (m *OneofDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_OneofDescriptorProto.Merge(m, src)
 }
 func (m *OneofDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_OneofDescriptorProto.Size(m)
@@ -959,16 +993,17 @@
 func (m *EnumDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*EnumDescriptorProto) ProtoMessage()    {}
 func (*EnumDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{6}
+	return fileDescriptor_e5baabe45344a177, []int{6}
 }
+
 func (m *EnumDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumDescriptorProto.Unmarshal(m, b)
 }
 func (m *EnumDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *EnumDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumDescriptorProto.Merge(dst, src)
+func (m *EnumDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumDescriptorProto.Merge(m, src)
 }
 func (m *EnumDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_EnumDescriptorProto.Size(m)
@@ -1032,16 +1067,17 @@
 func (m *EnumDescriptorProto_EnumReservedRange) String() string { return proto.CompactTextString(m) }
 func (*EnumDescriptorProto_EnumReservedRange) ProtoMessage()    {}
 func (*EnumDescriptorProto_EnumReservedRange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{6, 0}
+	return fileDescriptor_e5baabe45344a177, []int{6, 0}
 }
+
 func (m *EnumDescriptorProto_EnumReservedRange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Unmarshal(m, b)
 }
 func (m *EnumDescriptorProto_EnumReservedRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Marshal(b, m, deterministic)
 }
-func (dst *EnumDescriptorProto_EnumReservedRange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Merge(dst, src)
+func (m *EnumDescriptorProto_EnumReservedRange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Merge(m, src)
 }
 func (m *EnumDescriptorProto_EnumReservedRange) XXX_Size() int {
 	return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Size(m)
@@ -1080,16 +1116,17 @@
 func (m *EnumValueDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*EnumValueDescriptorProto) ProtoMessage()    {}
 func (*EnumValueDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{7}
+	return fileDescriptor_e5baabe45344a177, []int{7}
 }
+
 func (m *EnumValueDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumValueDescriptorProto.Unmarshal(m, b)
 }
 func (m *EnumValueDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumValueDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *EnumValueDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumValueDescriptorProto.Merge(dst, src)
+func (m *EnumValueDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumValueDescriptorProto.Merge(m, src)
 }
 func (m *EnumValueDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_EnumValueDescriptorProto.Size(m)
@@ -1135,16 +1172,17 @@
 func (m *ServiceDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*ServiceDescriptorProto) ProtoMessage()    {}
 func (*ServiceDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{8}
+	return fileDescriptor_e5baabe45344a177, []int{8}
 }
+
 func (m *ServiceDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ServiceDescriptorProto.Unmarshal(m, b)
 }
 func (m *ServiceDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ServiceDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *ServiceDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ServiceDescriptorProto.Merge(dst, src)
+func (m *ServiceDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ServiceDescriptorProto.Merge(m, src)
 }
 func (m *ServiceDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_ServiceDescriptorProto.Size(m)
@@ -1197,16 +1235,17 @@
 func (m *MethodDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*MethodDescriptorProto) ProtoMessage()    {}
 func (*MethodDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{9}
+	return fileDescriptor_e5baabe45344a177, []int{9}
 }
+
 func (m *MethodDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MethodDescriptorProto.Unmarshal(m, b)
 }
 func (m *MethodDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MethodDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *MethodDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MethodDescriptorProto.Merge(dst, src)
+func (m *MethodDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MethodDescriptorProto.Merge(m, src)
 }
 func (m *MethodDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_MethodDescriptorProto.Size(m)
@@ -1336,6 +1375,14 @@
 	// is empty. When this option is empty, the package name will be used for
 	// determining the namespace.
 	PhpNamespace *string `protobuf:"bytes,41,opt,name=php_namespace,json=phpNamespace" json:"php_namespace,omitempty"`
+	// Use this option to change the namespace of php generated metadata classes.
+	// Default is empty. When this option is empty, the proto file name will be used
+	// for determining the namespace.
+	PhpMetadataNamespace *string `protobuf:"bytes,44,opt,name=php_metadata_namespace,json=phpMetadataNamespace" json:"php_metadata_namespace,omitempty"`
+	// Use this option to change the package of ruby generated classes. Default
+	// is empty. When this option is not set, the package name will be used for
+	// determining the ruby package.
+	RubyPackage *string `protobuf:"bytes,45,opt,name=ruby_package,json=rubyPackage" json:"ruby_package,omitempty"`
 	// The parser stores options it doesn't recognize here.
 	// See the documentation for the "Options" section above.
 	UninterpretedOption          []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
@@ -1349,7 +1396,7 @@
 func (m *FileOptions) String() string { return proto.CompactTextString(m) }
 func (*FileOptions) ProtoMessage()    {}
 func (*FileOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{10}
+	return fileDescriptor_e5baabe45344a177, []int{10}
 }
 
 var extRange_FileOptions = []proto.ExtensionRange{
@@ -1359,14 +1406,15 @@
 func (*FileOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_FileOptions
 }
+
 func (m *FileOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FileOptions.Unmarshal(m, b)
 }
 func (m *FileOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FileOptions.Marshal(b, m, deterministic)
 }
-func (dst *FileOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FileOptions.Merge(dst, src)
+func (m *FileOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileOptions.Merge(m, src)
 }
 func (m *FileOptions) XXX_Size() int {
 	return xxx_messageInfo_FileOptions.Size(m)
@@ -1514,6 +1562,20 @@
 	return ""
 }
 
+func (m *FileOptions) GetPhpMetadataNamespace() string {
+	if m != nil && m.PhpMetadataNamespace != nil {
+		return *m.PhpMetadataNamespace
+	}
+	return ""
+}
+
+func (m *FileOptions) GetRubyPackage() string {
+	if m != nil && m.RubyPackage != nil {
+		return *m.RubyPackage
+	}
+	return ""
+}
+
 func (m *FileOptions) GetUninterpretedOption() []*UninterpretedOption {
 	if m != nil {
 		return m.UninterpretedOption
@@ -1584,7 +1646,7 @@
 func (m *MessageOptions) String() string { return proto.CompactTextString(m) }
 func (*MessageOptions) ProtoMessage()    {}
 func (*MessageOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{11}
+	return fileDescriptor_e5baabe45344a177, []int{11}
 }
 
 var extRange_MessageOptions = []proto.ExtensionRange{
@@ -1594,14 +1656,15 @@
 func (*MessageOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_MessageOptions
 }
+
 func (m *MessageOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MessageOptions.Unmarshal(m, b)
 }
 func (m *MessageOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MessageOptions.Marshal(b, m, deterministic)
 }
-func (dst *MessageOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MessageOptions.Merge(dst, src)
+func (m *MessageOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MessageOptions.Merge(m, src)
 }
 func (m *MessageOptions) XXX_Size() int {
 	return xxx_messageInfo_MessageOptions.Size(m)
@@ -1723,7 +1786,7 @@
 func (m *FieldOptions) String() string { return proto.CompactTextString(m) }
 func (*FieldOptions) ProtoMessage()    {}
 func (*FieldOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{12}
+	return fileDescriptor_e5baabe45344a177, []int{12}
 }
 
 var extRange_FieldOptions = []proto.ExtensionRange{
@@ -1733,14 +1796,15 @@
 func (*FieldOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_FieldOptions
 }
+
 func (m *FieldOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FieldOptions.Unmarshal(m, b)
 }
 func (m *FieldOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FieldOptions.Marshal(b, m, deterministic)
 }
-func (dst *FieldOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FieldOptions.Merge(dst, src)
+func (m *FieldOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FieldOptions.Merge(m, src)
 }
 func (m *FieldOptions) XXX_Size() int {
 	return xxx_messageInfo_FieldOptions.Size(m)
@@ -1819,7 +1883,7 @@
 func (m *OneofOptions) String() string { return proto.CompactTextString(m) }
 func (*OneofOptions) ProtoMessage()    {}
 func (*OneofOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{13}
+	return fileDescriptor_e5baabe45344a177, []int{13}
 }
 
 var extRange_OneofOptions = []proto.ExtensionRange{
@@ -1829,14 +1893,15 @@
 func (*OneofOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_OneofOptions
 }
+
 func (m *OneofOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_OneofOptions.Unmarshal(m, b)
 }
 func (m *OneofOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_OneofOptions.Marshal(b, m, deterministic)
 }
-func (dst *OneofOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_OneofOptions.Merge(dst, src)
+func (m *OneofOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_OneofOptions.Merge(m, src)
 }
 func (m *OneofOptions) XXX_Size() int {
 	return xxx_messageInfo_OneofOptions.Size(m)
@@ -1875,7 +1940,7 @@
 func (m *EnumOptions) String() string { return proto.CompactTextString(m) }
 func (*EnumOptions) ProtoMessage()    {}
 func (*EnumOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{14}
+	return fileDescriptor_e5baabe45344a177, []int{14}
 }
 
 var extRange_EnumOptions = []proto.ExtensionRange{
@@ -1885,14 +1950,15 @@
 func (*EnumOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_EnumOptions
 }
+
 func (m *EnumOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumOptions.Unmarshal(m, b)
 }
 func (m *EnumOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumOptions.Marshal(b, m, deterministic)
 }
-func (dst *EnumOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumOptions.Merge(dst, src)
+func (m *EnumOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumOptions.Merge(m, src)
 }
 func (m *EnumOptions) XXX_Size() int {
 	return xxx_messageInfo_EnumOptions.Size(m)
@@ -1944,7 +2010,7 @@
 func (m *EnumValueOptions) String() string { return proto.CompactTextString(m) }
 func (*EnumValueOptions) ProtoMessage()    {}
 func (*EnumValueOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{15}
+	return fileDescriptor_e5baabe45344a177, []int{15}
 }
 
 var extRange_EnumValueOptions = []proto.ExtensionRange{
@@ -1954,14 +2020,15 @@
 func (*EnumValueOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_EnumValueOptions
 }
+
 func (m *EnumValueOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumValueOptions.Unmarshal(m, b)
 }
 func (m *EnumValueOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumValueOptions.Marshal(b, m, deterministic)
 }
-func (dst *EnumValueOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumValueOptions.Merge(dst, src)
+func (m *EnumValueOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumValueOptions.Merge(m, src)
 }
 func (m *EnumValueOptions) XXX_Size() int {
 	return xxx_messageInfo_EnumValueOptions.Size(m)
@@ -2006,7 +2073,7 @@
 func (m *ServiceOptions) String() string { return proto.CompactTextString(m) }
 func (*ServiceOptions) ProtoMessage()    {}
 func (*ServiceOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{16}
+	return fileDescriptor_e5baabe45344a177, []int{16}
 }
 
 var extRange_ServiceOptions = []proto.ExtensionRange{
@@ -2016,14 +2083,15 @@
 func (*ServiceOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_ServiceOptions
 }
+
 func (m *ServiceOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ServiceOptions.Unmarshal(m, b)
 }
 func (m *ServiceOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ServiceOptions.Marshal(b, m, deterministic)
 }
-func (dst *ServiceOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ServiceOptions.Merge(dst, src)
+func (m *ServiceOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ServiceOptions.Merge(m, src)
 }
 func (m *ServiceOptions) XXX_Size() int {
 	return xxx_messageInfo_ServiceOptions.Size(m)
@@ -2069,7 +2137,7 @@
 func (m *MethodOptions) String() string { return proto.CompactTextString(m) }
 func (*MethodOptions) ProtoMessage()    {}
 func (*MethodOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{17}
+	return fileDescriptor_e5baabe45344a177, []int{17}
 }
 
 var extRange_MethodOptions = []proto.ExtensionRange{
@@ -2079,14 +2147,15 @@
 func (*MethodOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_MethodOptions
 }
+
 func (m *MethodOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MethodOptions.Unmarshal(m, b)
 }
 func (m *MethodOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MethodOptions.Marshal(b, m, deterministic)
 }
-func (dst *MethodOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MethodOptions.Merge(dst, src)
+func (m *MethodOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MethodOptions.Merge(m, src)
 }
 func (m *MethodOptions) XXX_Size() int {
 	return xxx_messageInfo_MethodOptions.Size(m)
@@ -2146,16 +2215,17 @@
 func (m *UninterpretedOption) String() string { return proto.CompactTextString(m) }
 func (*UninterpretedOption) ProtoMessage()    {}
 func (*UninterpretedOption) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{18}
+	return fileDescriptor_e5baabe45344a177, []int{18}
 }
+
 func (m *UninterpretedOption) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UninterpretedOption.Unmarshal(m, b)
 }
 func (m *UninterpretedOption) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UninterpretedOption.Marshal(b, m, deterministic)
 }
-func (dst *UninterpretedOption) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UninterpretedOption.Merge(dst, src)
+func (m *UninterpretedOption) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UninterpretedOption.Merge(m, src)
 }
 func (m *UninterpretedOption) XXX_Size() int {
 	return xxx_messageInfo_UninterpretedOption.Size(m)
@@ -2232,16 +2302,17 @@
 func (m *UninterpretedOption_NamePart) String() string { return proto.CompactTextString(m) }
 func (*UninterpretedOption_NamePart) ProtoMessage()    {}
 func (*UninterpretedOption_NamePart) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{18, 0}
+	return fileDescriptor_e5baabe45344a177, []int{18, 0}
 }
+
 func (m *UninterpretedOption_NamePart) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UninterpretedOption_NamePart.Unmarshal(m, b)
 }
 func (m *UninterpretedOption_NamePart) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UninterpretedOption_NamePart.Marshal(b, m, deterministic)
 }
-func (dst *UninterpretedOption_NamePart) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UninterpretedOption_NamePart.Merge(dst, src)
+func (m *UninterpretedOption_NamePart) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UninterpretedOption_NamePart.Merge(m, src)
 }
 func (m *UninterpretedOption_NamePart) XXX_Size() int {
 	return xxx_messageInfo_UninterpretedOption_NamePart.Size(m)
@@ -2322,16 +2393,17 @@
 func (m *SourceCodeInfo) String() string { return proto.CompactTextString(m) }
 func (*SourceCodeInfo) ProtoMessage()    {}
 func (*SourceCodeInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{19}
+	return fileDescriptor_e5baabe45344a177, []int{19}
 }
+
 func (m *SourceCodeInfo) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SourceCodeInfo.Unmarshal(m, b)
 }
 func (m *SourceCodeInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_SourceCodeInfo.Marshal(b, m, deterministic)
 }
-func (dst *SourceCodeInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SourceCodeInfo.Merge(dst, src)
+func (m *SourceCodeInfo) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SourceCodeInfo.Merge(m, src)
 }
 func (m *SourceCodeInfo) XXX_Size() int {
 	return xxx_messageInfo_SourceCodeInfo.Size(m)
@@ -2439,16 +2511,17 @@
 func (m *SourceCodeInfo_Location) String() string { return proto.CompactTextString(m) }
 func (*SourceCodeInfo_Location) ProtoMessage()    {}
 func (*SourceCodeInfo_Location) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{19, 0}
+	return fileDescriptor_e5baabe45344a177, []int{19, 0}
 }
+
 func (m *SourceCodeInfo_Location) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SourceCodeInfo_Location.Unmarshal(m, b)
 }
 func (m *SourceCodeInfo_Location) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_SourceCodeInfo_Location.Marshal(b, m, deterministic)
 }
-func (dst *SourceCodeInfo_Location) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SourceCodeInfo_Location.Merge(dst, src)
+func (m *SourceCodeInfo_Location) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SourceCodeInfo_Location.Merge(m, src)
 }
 func (m *SourceCodeInfo_Location) XXX_Size() int {
 	return xxx_messageInfo_SourceCodeInfo_Location.Size(m)
@@ -2510,16 +2583,17 @@
 func (m *GeneratedCodeInfo) String() string { return proto.CompactTextString(m) }
 func (*GeneratedCodeInfo) ProtoMessage()    {}
 func (*GeneratedCodeInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{20}
+	return fileDescriptor_e5baabe45344a177, []int{20}
 }
+
 func (m *GeneratedCodeInfo) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GeneratedCodeInfo.Unmarshal(m, b)
 }
 func (m *GeneratedCodeInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GeneratedCodeInfo.Marshal(b, m, deterministic)
 }
-func (dst *GeneratedCodeInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GeneratedCodeInfo.Merge(dst, src)
+func (m *GeneratedCodeInfo) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GeneratedCodeInfo.Merge(m, src)
 }
 func (m *GeneratedCodeInfo) XXX_Size() int {
 	return xxx_messageInfo_GeneratedCodeInfo.Size(m)
@@ -2559,16 +2633,17 @@
 func (m *GeneratedCodeInfo_Annotation) String() string { return proto.CompactTextString(m) }
 func (*GeneratedCodeInfo_Annotation) ProtoMessage()    {}
 func (*GeneratedCodeInfo_Annotation) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_4df4cb5f42392df6, []int{20, 0}
+	return fileDescriptor_e5baabe45344a177, []int{20, 0}
 }
+
 func (m *GeneratedCodeInfo_Annotation) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GeneratedCodeInfo_Annotation.Unmarshal(m, b)
 }
 func (m *GeneratedCodeInfo_Annotation) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GeneratedCodeInfo_Annotation.Marshal(b, m, deterministic)
 }
-func (dst *GeneratedCodeInfo_Annotation) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GeneratedCodeInfo_Annotation.Merge(dst, src)
+func (m *GeneratedCodeInfo_Annotation) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GeneratedCodeInfo_Annotation.Merge(m, src)
 }
 func (m *GeneratedCodeInfo_Annotation) XXX_Size() int {
 	return xxx_messageInfo_GeneratedCodeInfo_Annotation.Size(m)
@@ -2608,6 +2683,12 @@
 }
 
 func init() {
+	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Type", FieldDescriptorProto_Type_name, FieldDescriptorProto_Type_value)
+	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Label", FieldDescriptorProto_Label_name, FieldDescriptorProto_Label_value)
+	proto.RegisterEnum("google.protobuf.FileOptions_OptimizeMode", FileOptions_OptimizeMode_name, FileOptions_OptimizeMode_value)
+	proto.RegisterEnum("google.protobuf.FieldOptions_CType", FieldOptions_CType_name, FieldOptions_CType_value)
+	proto.RegisterEnum("google.protobuf.FieldOptions_JSType", FieldOptions_JSType_name, FieldOptions_JSType_value)
+	proto.RegisterEnum("google.protobuf.MethodOptions_IdempotencyLevel", MethodOptions_IdempotencyLevel_name, MethodOptions_IdempotencyLevel_value)
 	proto.RegisterType((*FileDescriptorSet)(nil), "google.protobuf.FileDescriptorSet")
 	proto.RegisterType((*FileDescriptorProto)(nil), "google.protobuf.FileDescriptorProto")
 	proto.RegisterType((*DescriptorProto)(nil), "google.protobuf.DescriptorProto")
@@ -2635,178 +2716,172 @@
 	proto.RegisterType((*SourceCodeInfo_Location)(nil), "google.protobuf.SourceCodeInfo.Location")
 	proto.RegisterType((*GeneratedCodeInfo)(nil), "google.protobuf.GeneratedCodeInfo")
 	proto.RegisterType((*GeneratedCodeInfo_Annotation)(nil), "google.protobuf.GeneratedCodeInfo.Annotation")
-	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Type", FieldDescriptorProto_Type_name, FieldDescriptorProto_Type_value)
-	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Label", FieldDescriptorProto_Label_name, FieldDescriptorProto_Label_value)
-	proto.RegisterEnum("google.protobuf.FileOptions_OptimizeMode", FileOptions_OptimizeMode_name, FileOptions_OptimizeMode_value)
-	proto.RegisterEnum("google.protobuf.FieldOptions_CType", FieldOptions_CType_name, FieldOptions_CType_value)
-	proto.RegisterEnum("google.protobuf.FieldOptions_JSType", FieldOptions_JSType_name, FieldOptions_JSType_value)
-	proto.RegisterEnum("google.protobuf.MethodOptions_IdempotencyLevel", MethodOptions_IdempotencyLevel_name, MethodOptions_IdempotencyLevel_value)
 }
 
-func init() {
-	proto.RegisterFile("google/protobuf/descriptor.proto", fileDescriptor_descriptor_4df4cb5f42392df6)
-}
+func init() { proto.RegisterFile("google/protobuf/descriptor.proto", fileDescriptor_e5baabe45344a177) }
 
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+	0x02, 0x91, 0xfa, 0x48, 0x62, 0x55, 0x50, 0xb3, 0xdb, 0x62, 0xf5, 0xcb, 0xe7, 0x0a, 0xca, 0xb0,
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+	0x62, 0xf4, 0x5c, 0xe2, 0xd3, 0x40, 0x7b, 0x62, 0x7a, 0x7c, 0x45, 0x4e, 0x88, 0x38, 0x1d, 0xe3,
+	0x9c, 0xd8, 0x0c, 0x59, 0x7d, 0x1a, 0x7c, 0x62, 0x7a, 0x6c, 0xbd, 0x4d, 0x48, 0x80, 0x0f, 0xe1,
+	0xb2, 0xed, 0x68, 0x7e, 0x40, 0x6c, 0x83, 0x78, 0x86, 0x36, 0x7b, 0xa8, 0xd2, 0x88, 0xae, 0x53,
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+	0x8b, 0xa8, 0xf4, 0x20, 0x57, 0x2c, 0x21, 0xa8, 0xfd, 0x33, 0x0b, 0x95, 0x64, 0x1d, 0xce, 0xae,
+	0x35, 0x3a, 0x3f, 0xb2, 0x24, 0xbe, 0xa9, 0xbd, 0xf1, 0x8d, 0x55, 0x7b, 0xbd, 0xc9, 0xce, 0xb2,
+	0xbd, 0x82, 0xa8, 0x8e, 0x55, 0xa1, 0xc9, 0xea, 0x08, 0x96, 0x6c, 0x54, 0x54, 0x23, 0x45, 0x35,
+	0x6c, 0xe1, 0x03, 0x28, 0x3c, 0xf4, 0xb9, 0xed, 0x02, 0xb7, 0xfd, 0xe6, 0x37, 0xdb, 0x7e, 0xd0,
+	0xe7, 0xc6, 0x4b, 0x0f, 0xfa, 0x5a, 0xa7, 0xab, 0x1e, 0x35, 0x0e, 0xd5, 0x50, 0x1d, 0x5f, 0x82,
+	0x9c, 0x45, 0xbe, 0x3c, 0x4d, 0x9f, 0x7a, 0x1c, 0x3a, 0xef, 0x24, 0x5c, 0x82, 0xdc, 0x13, 0x4a,
+	0x1e, 0xa5, 0xcf, 0x1a, 0x0e, 0x7d, 0x8f, 0x8b, 0x61, 0x17, 0xf2, 0x3c, 0x5e, 0x18, 0x20, 0x8c,
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+	0xc2, 0x1b, 0xb0, 0xd6, 0xe9, 0x6a, 0xfd, 0x76, 0x4b, 0xd1, 0x94, 0xfb, 0xf7, 0x95, 0xe6, 0xa0,
+	0x2f, 0x1e, 0x3e, 0x62, 0xf6, 0x20, 0xb5, 0xc0, 0x6b, 0xbf, 0xcf, 0xc2, 0xc6, 0x12, 0x4f, 0x70,
+	0x23, 0xbc, 0xb2, 0x88, 0x5b, 0xd4, 0x8d, 0xf3, 0x78, 0x5f, 0x67, 0x35, 0x43, 0x8f, 0x78, 0x41,
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+	0xb3, 0x36, 0xc3, 0xc5, 0x53, 0xd1, 0xbb, 0x80, 0x5d, 0xc7, 0x37, 0x03, 0xf3, 0x31, 0xd5, 0x4c,
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+	0x62, 0x4f, 0xf0, 0xd8, 0xd9, 0x21, 0xa9, 0x65, 0x81, 0xc5, 0x94, 0xb0, 0x8c, 0x9f, 0xbd, 0x66,
+	0x55, 0xd4, 0xb2, 0xc0, 0x04, 0xe5, 0x2a, 0xac, 0x91, 0xd1, 0xc8, 0x63, 0xc6, 0x23, 0x43, 0xe2,
+	0x62, 0x52, 0x8d, 0x61, 0x4e, 0xdc, 0x7a, 0x00, 0xc5, 0x28, 0x0e, 0xec, 0xa8, 0x66, 0x91, 0xd0,
+	0x5c, 0x71, 0xdb, 0xce, 0xec, 0x94, 0xd4, 0xa2, 0x1d, 0x09, 0xaf, 0x40, 0xc5, 0xf4, 0xb5, 0xd9,
+	0xe3, 0x7c, 0x66, 0x3b, 0xb3, 0x53, 0x54, 0xcb, 0xa6, 0x1f, 0x3f, 0x6c, 0xd6, 0xbe, 0xca, 0x40,
+	0x35, 0xfd, 0x71, 0x01, 0xb7, 0xa0, 0x68, 0x39, 0x3a, 0xe1, 0xa9, 0x25, 0xbe, 0x6c, 0xed, 0x3c,
+	0xe7, 0x7b, 0x44, 0xfd, 0x30, 0xe4, 0xab, 0xb1, 0xe6, 0xd6, 0xdf, 0x25, 0x28, 0x46, 0x30, 0xbe,
+	0x00, 0x39, 0x97, 0x04, 0x63, 0x6e, 0x2e, 0xbf, 0x9f, 0x41, 0x92, 0xca, 0xdb, 0x0c, 0xf7, 0x5d,
+	0x62, 0xf3, 0x14, 0x08, 0x71, 0xd6, 0x66, 0xf3, 0x6a, 0x51, 0x62, 0xf0, 0x5b, 0x8f, 0x33, 0x99,
+	0x50, 0x3b, 0xf0, 0xa3, 0x79, 0x0d, 0xf1, 0x66, 0x08, 0xe3, 0x77, 0x60, 0x3d, 0xf0, 0x88, 0x69,
+	0xa5, 0xb8, 0x39, 0xce, 0x45, 0x91, 0x20, 0x26, 0xef, 0xc1, 0xa5, 0xc8, 0xae, 0x41, 0x03, 0xa2,
+	0x8f, 0xa9, 0x31, 0x53, 0x2a, 0xf0, 0xd7, 0x8d, 0x8b, 0x21, 0xa1, 0x15, 0xca, 0x23, 0xdd, 0xda,
+	0xd7, 0x12, 0xac, 0x47, 0xf7, 0x34, 0x23, 0x0e, 0xd6, 0x11, 0x00, 0xb1, 0x6d, 0x27, 0x48, 0x86,
+	0x6b, 0x31, 0x95, 0x17, 0xf4, 0xea, 0x8d, 0x58, 0x49, 0x4d, 0x18, 0xd8, 0x9a, 0x00, 0xcc, 0x24,
+	0x67, 0x86, 0xed, 0x32, 0x94, 0xc3, 0x2f, 0x47, 0xfc, 0xf3, 0xa3, 0xb8, 0xd9, 0x83, 0x80, 0xd8,
+	0x85, 0x0e, 0x6f, 0x42, 0xfe, 0x84, 0x8e, 0x4c, 0x3b, 0x7c, 0x0f, 0x16, 0x8d, 0xe8, 0xfd, 0x25,
+	0x17, 0xbf, 0xbf, 0xec, 0xff, 0x46, 0x82, 0x0d, 0xdd, 0x99, 0xcc, 0xfb, 0xbb, 0x8f, 0xe6, 0x9e,
+	0x17, 0xfc, 0x8f, 0xa5, 0xcf, 0x3f, 0x1a, 0x99, 0xc1, 0x78, 0x7a, 0x52, 0xd7, 0x9d, 0xc9, 0xee,
+	0xc8, 0xb1, 0x88, 0x3d, 0x9a, 0x7d, 0x3f, 0xe5, 0x7f, 0xf4, 0x1b, 0x23, 0x6a, 0xdf, 0x18, 0x39,
+	0x89, 0xaf, 0xa9, 0xf7, 0x66, 0x7f, 0xff, 0x27, 0x49, 0x7f, 0xca, 0x64, 0x0f, 0x7a, 0xfb, 0x7f,
+	0xce, 0x6c, 0x1d, 0x88, 0xee, 0x7a, 0x51, 0x78, 0x54, 0x3a, 0xb4, 0xa8, 0xce, 0x86, 0xfc, 0xff,
+	0x00, 0x00, 0x00, 0xff, 0xff, 0x3e, 0xe8, 0xef, 0xc4, 0x9b, 0x1d, 0x00, 0x00,
 }
diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto
index 8697a50..ed08fcb 100644
--- a/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto
+++ b/vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.proto
@@ -417,6 +417,17 @@
   // determining the namespace.
   optional string php_namespace = 41;
 
+
+  // Use this option to change the namespace of php generated metadata classes.
+  // Default is empty. When this option is empty, the proto file name will be used
+  // for determining the namespace.
+  optional string php_metadata_namespace = 44;
+
+  // Use this option to change the package of ruby generated classes. Default
+  // is empty. When this option is not set, the package name will be used for
+  // determining the ruby package.
+  optional string ruby_package = 45;
+
   // The parser stores options it doesn't recognize here.
   // See the documentation for the "Options" section above.
   repeated UninterpretedOption uninterpreted_option = 999;
diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/generator/generator.go b/vendor/github.com/golang/protobuf/protoc-gen-go/generator/generator.go
index c13a9f1..6f4a902 100644
--- a/vendor/github.com/golang/protobuf/protoc-gen-go/generator/generator.go
+++ b/vendor/github.com/golang/protobuf/protoc-gen-go/generator/generator.go
@@ -43,6 +43,7 @@
 	"crypto/sha256"
 	"encoding/hex"
 	"fmt"
+	"go/ast"
 	"go/build"
 	"go/parser"
 	"go/printer"
@@ -67,7 +68,7 @@
 // It is incremented whenever an incompatibility between the generated code and
 // proto package is introduced; the generated code references
 // a constant, proto.ProtoPackageIsVersionN (where N is generatedCodeVersion).
-const generatedCodeVersion = 2
+const generatedCodeVersion = 3
 
 // A Plugin provides functionality to add to the output during Go code generation,
 // such as to produce RPC stubs.
@@ -271,7 +272,6 @@
 	// This is used for supporting public imports.
 	exported map[Object][]symbol
 
-	fingerprint string        // Fingerprint of this file's contents.
 	importPath  GoImportPath  // Import path of this file's package.
 	packageName GoPackageName // Name of this file's Go package.
 
@@ -282,8 +282,8 @@
 // to the compressed bytes of this descriptor. It is not exported, so
 // it is only valid inside the generated package.
 func (d *FileDescriptor) VarName() string {
-	name := strings.Map(badToUnderscore, baseName(d.GetName()))
-	return fmt.Sprintf("fileDescriptor_%s_%s", name, d.fingerprint)
+	h := sha256.Sum256([]byte(d.GetName()))
+	return fmt.Sprintf("fileDescriptor_%s", hex.EncodeToString(h[:8]))
 }
 
 // goPackageOption interprets the file's go_package option.
@@ -340,7 +340,7 @@
 type symbol interface {
 	// GenerateAlias should generate an appropriate alias
 	// for the symbol from the named package.
-	GenerateAlias(g *Generator, pkg GoPackageName)
+	GenerateAlias(g *Generator, filename string, pkg GoPackageName)
 }
 
 type messageSymbol struct {
@@ -356,7 +356,8 @@
 	genType  bool   // whether typ contains a generated type (message/group/enum)
 }
 
-func (ms *messageSymbol) GenerateAlias(g *Generator, pkg GoPackageName) {
+func (ms *messageSymbol) GenerateAlias(g *Generator, filename string, pkg GoPackageName) {
+	g.P("// ", ms.sym, " from public import ", filename)
 	g.P("type ", ms.sym, " = ", pkg, ".", ms.sym)
 	for _, name := range ms.oneofTypes {
 		g.P("type ", name, " = ", pkg, ".", name)
@@ -368,8 +369,9 @@
 	proto3 bool // Whether this came from a proto3 file.
 }
 
-func (es enumSymbol) GenerateAlias(g *Generator, pkg GoPackageName) {
+func (es enumSymbol) GenerateAlias(g *Generator, filename string, pkg GoPackageName) {
 	s := es.name
+	g.P("// ", s, " from public import ", filename)
 	g.P("type ", s, " = ", pkg, ".", s)
 	g.P("var ", s, "_name = ", pkg, ".", s, "_name")
 	g.P("var ", s, "_value = ", pkg, ".", s, "_value")
@@ -381,7 +383,7 @@
 	cast string // if non-empty, a type cast is required (used for enums)
 }
 
-func (cs constOrVarSymbol) GenerateAlias(g *Generator, pkg GoPackageName) {
+func (cs constOrVarSymbol) GenerateAlias(g *Generator, filename string, pkg GoPackageName) {
 	v := string(pkg) + "." + cs.sym
 	if cs.cast != "" {
 		v = cs.cast + "(" + v + ")"
@@ -418,6 +420,7 @@
 	packageNames     map[GoImportPath]GoPackageName // Imported package names in the current file.
 	usedPackages     map[GoImportPath]bool          // Packages used in current file.
 	usedPackageNames map[GoPackageName]bool         // Package names used in the current file.
+	addedImports     map[GoImportPath]bool          // Additional imports to emit.
 	typeNameToObject map[string]Object              // Key is a fully-qualified name in input syntax.
 	init             []string                       // Lines to emit in the init function.
 	indent           string
@@ -532,7 +535,7 @@
 		return name
 	}
 	name := cleanPackageName(baseName(string(importPath)))
-	for i, orig := 1, name; g.usedPackageNames[name]; i++ {
+	for i, orig := 1, name; g.usedPackageNames[name] || isGoPredeclaredIdentifier[string(name)]; i++ {
 		name = orig + GoPackageName(strconv.Itoa(i))
 	}
 	g.packageNames[importPath] = name
@@ -540,6 +543,13 @@
 	return name
 }
 
+// AddImport adds a package to the generated file's import section.
+// It returns the name used for the package.
+func (g *Generator) AddImport(importPath GoImportPath) GoPackageName {
+	g.addedImports[importPath] = true
+	return g.GoPackageName(importPath)
+}
+
 var globalPackageNames = map[GoPackageName]bool{
 	"fmt":   true,
 	"math":  true,
@@ -585,9 +595,51 @@
 	"var":         true,
 }
 
+var isGoPredeclaredIdentifier = map[string]bool{
+	"append":     true,
+	"bool":       true,
+	"byte":       true,
+	"cap":        true,
+	"close":      true,
+	"complex":    true,
+	"complex128": true,
+	"complex64":  true,
+	"copy":       true,
+	"delete":     true,
+	"error":      true,
+	"false":      true,
+	"float32":    true,
+	"float64":    true,
+	"imag":       true,
+	"int":        true,
+	"int16":      true,
+	"int32":      true,
+	"int64":      true,
+	"int8":       true,
+	"iota":       true,
+	"len":        true,
+	"make":       true,
+	"new":        true,
+	"nil":        true,
+	"panic":      true,
+	"print":      true,
+	"println":    true,
+	"real":       true,
+	"recover":    true,
+	"rune":       true,
+	"string":     true,
+	"true":       true,
+	"uint":       true,
+	"uint16":     true,
+	"uint32":     true,
+	"uint64":     true,
+	"uint8":      true,
+	"uintptr":    true,
+}
+
 func cleanPackageName(name string) GoPackageName {
 	name = strings.Map(badToUnderscore, name)
-	// Identifier must not be keyword: insert _.
+	// Identifier must not be keyword or predeclared identifier: insert _.
 	if isGoKeyword[name] {
 		name = "_" + name
 	}
@@ -724,27 +776,10 @@
 		if fd == nil {
 			g.Fail("could not find file named", fileName)
 		}
-		fingerprint, err := fingerprintProto(fd.FileDescriptorProto)
-		if err != nil {
-			g.Error(err)
-		}
-		fd.fingerprint = fingerprint
 		g.genFiles = append(g.genFiles, fd)
 	}
 }
 
-// fingerprintProto returns a fingerprint for a message.
-// The fingerprint is intended to prevent conflicts between generated fileds,
-// not to provide cryptographic security.
-func fingerprintProto(m proto.Message) (string, error) {
-	b, err := proto.Marshal(m)
-	if err != nil {
-		return "", err
-	}
-	h := sha256.Sum256(b)
-	return hex.EncodeToString(h[:8]), nil
-}
-
 // Scan the descriptors in this file.  For each one, build the slice of nested descriptors
 func (g *Generator) buildNestedDescriptors(descs []*Descriptor) {
 	for _, desc := range descs {
@@ -938,39 +973,6 @@
 	if !ok {
 		g.Fail("can't find object with type", typeName)
 	}
-
-	// If the file of this object isn't a direct dependency of the current file,
-	// or in the current file, then this object has been publicly imported into
-	// a dependency of the current file.
-	// We should return the ImportedDescriptor object for it instead.
-	direct := *o.File().Name == *g.file.Name
-	if !direct {
-		for _, dep := range g.file.Dependency {
-			if *g.fileByName(dep).Name == *o.File().Name {
-				direct = true
-				break
-			}
-		}
-	}
-	if !direct {
-		found := false
-	Loop:
-		for _, dep := range g.file.Dependency {
-			df := g.fileByName(*g.fileByName(dep).Name)
-			for _, td := range df.imp {
-				if td.o == o {
-					// Found it!
-					o = td
-					found = true
-					break Loop
-				}
-			}
-		}
-		if !found {
-			log.Printf("protoc-gen-go: WARNING: failed finding publicly imported dependency for %v, used in %v", typeName, *g.file.Name)
-		}
-	}
-
 	return o
 }
 
@@ -1124,6 +1126,7 @@
 	g.usedPackages = make(map[GoImportPath]bool)
 	g.packageNames = make(map[GoImportPath]GoPackageName)
 	g.usedPackageNames = make(map[GoPackageName]bool)
+	g.addedImports = make(map[GoImportPath]bool)
 	for name := range globalPackageNames {
 		g.usedPackageNames[name] = true
 	}
@@ -1152,12 +1155,11 @@
 		g.generateExtension(ext)
 	}
 	g.generateInitFunction()
+	g.generateFileDescriptor(file)
 
 	// Run the plugins before the imports so we know which imports are necessary.
 	g.runPlugins(file)
 
-	g.generateFileDescriptor(file)
-
 	// Generate header and imports last, though they appear first in the output.
 	rem := g.Buffer
 	remAnno := g.annotations
@@ -1183,7 +1185,7 @@
 		// make a copy independent of g; we'll need it after Reset.
 		original = append([]byte(nil), original...)
 	}
-	ast, err := parser.ParseFile(fset, "", original, parser.ParseComments)
+	fileAST, err := parser.ParseFile(fset, "", original, parser.ParseComments)
 	if err != nil {
 		// Print out the bad code with line numbers.
 		// This should never happen in practice, but it can while changing generated code,
@@ -1195,8 +1197,9 @@
 		}
 		g.Fail("bad Go source code was generated:", err.Error(), "\n"+src.String())
 	}
+	ast.SortImports(fset, fileAST)
 	g.Reset()
-	err = (&printer.Config{Mode: printer.TabIndent | printer.UseSpaces, Tabwidth: 8}).Fprint(g, fset, ast)
+	err = (&printer.Config{Mode: printer.TabIndent | printer.UseSpaces, Tabwidth: 8}).Fprint(g, fset, fileAST)
 	if err != nil {
 		g.Fail("generated Go source code could not be reformatted:", err.Error())
 	}
@@ -1225,28 +1228,10 @@
 		g.P("// source: ", g.file.Name)
 	}
 	g.P()
-
-	importPath, _, _ := g.file.goPackageOption()
-	if importPath == "" {
-		g.P("package ", g.file.packageName)
-	} else {
-		g.P("package ", g.file.packageName, " // import ", GoImportPath(g.ImportPrefix)+importPath)
-	}
+	g.PrintComments(strconv.Itoa(packagePath))
 	g.P()
-
-	if loc, ok := g.file.comments[strconv.Itoa(packagePath)]; ok {
-		g.P("/*")
-		// not using g.PrintComments because this is a /* */ comment block.
-		text := strings.TrimSuffix(loc.GetLeadingComments(), "\n")
-		for _, line := range strings.Split(text, "\n") {
-			line = strings.TrimPrefix(line, " ")
-			// ensure we don't escape from the block comment
-			line = strings.Replace(line, "*/", "* /", -1)
-			g.P(line)
-		}
-		g.P("*/")
-		g.P()
-	}
+	g.P("package ", g.file.packageName)
+	g.P()
 }
 
 // deprecationComment is the standard comment added to deprecated
@@ -1277,7 +1262,7 @@
 	w := new(bytes.Buffer)
 	nl := ""
 	for _, line := range strings.Split(strings.TrimSuffix(loc.GetLeadingComments(), "\n"), "\n") {
-		fmt.Fprintf(w, "%s// %s", nl, strings.TrimPrefix(line, " "))
+		fmt.Fprintf(w, "%s//%s", nl, line)
 		nl = "\n"
 	}
 	return w.String(), true
@@ -1299,17 +1284,7 @@
 
 // Generate the imports
 func (g *Generator) generateImports() {
-	// We almost always need a proto import.  Rather than computing when we
-	// do, which is tricky when there's a plugin, just import it and
-	// reference it later. The same argument applies to the fmt and math packages.
-	g.P("import "+g.Pkg["proto"]+" ", GoImportPath(g.ImportPrefix)+"github.com/golang/protobuf/proto")
-	g.P("import " + g.Pkg["fmt"] + ` "fmt"`)
-	g.P("import " + g.Pkg["math"] + ` "math"`)
-	var (
-		imports       = make(map[GoImportPath]bool)
-		strongImports = make(map[GoImportPath]bool)
-		importPaths   []string
-	)
+	imports := make(map[GoImportPath]GoPackageName)
 	for i, s := range g.file.Dependency {
 		fd := g.fileByName(s)
 		importPath := fd.importPath
@@ -1317,32 +1292,37 @@
 		if importPath == g.file.importPath {
 			continue
 		}
-		if !imports[importPath] {
-			importPaths = append(importPaths, string(importPath))
+		// Do not import weak imports.
+		if g.weak(int32(i)) {
+			continue
 		}
-		imports[importPath] = true
-		if !g.weak(int32(i)) {
-			strongImports[importPath] = true
-		}
-	}
-	sort.Strings(importPaths)
-	for i := range importPaths {
-		importPath := GoImportPath(importPaths[i])
-		packageName := g.GoPackageName(importPath)
-		fullPath := GoImportPath(g.ImportPrefix) + importPath
-		// Skip weak imports.
-		if !strongImports[importPath] {
-			g.P("// skipping weak import ", packageName, " ", fullPath)
+		// Do not import a package twice.
+		if _, ok := imports[importPath]; ok {
 			continue
 		}
 		// We need to import all the dependencies, even if we don't reference them,
 		// because other code and tools depend on having the full transitive closure
 		// of protocol buffer types in the binary.
+		packageName := g.GoPackageName(importPath)
 		if _, ok := g.usedPackages[importPath]; !ok {
 			packageName = "_"
 		}
-		g.P("import ", packageName, " ", fullPath)
+		imports[importPath] = packageName
 	}
+	for importPath := range g.addedImports {
+		imports[importPath] = g.GoPackageName(importPath)
+	}
+	// We almost always need a proto import.  Rather than computing when we
+	// do, which is tricky when there's a plugin, just import it and
+	// reference it later. The same argument applies to the fmt and math packages.
+	g.P("import (")
+	g.P(g.Pkg["fmt"] + ` "fmt"`)
+	g.P(g.Pkg["math"] + ` "math"`)
+	g.P(g.Pkg["proto"]+" ", GoImportPath(g.ImportPrefix)+"github.com/golang/protobuf/proto")
+	for importPath, packageName := range imports {
+		g.P(packageName, " ", GoImportPath(g.ImportPrefix)+importPath)
+	}
+	g.P(")")
 	g.P()
 	// TODO: may need to worry about uniqueness across plugins
 	for _, p := range plugins {
@@ -1357,24 +1337,19 @@
 }
 
 func (g *Generator) generateImported(id *ImportedDescriptor) {
-	tn := id.TypeName()
-	sn := tn[len(tn)-1]
 	df := id.o.File()
 	filename := *df.Name
 	if df.importPath == g.file.importPath {
 		// Don't generate type aliases for files in the same Go package as this one.
-		g.P("// Ignoring public import of ", sn, " from ", filename)
-		g.P()
 		return
 	}
 	if !supportTypeAliases {
 		g.Fail(fmt.Sprintf("%s: public imports require at least go1.9", filename))
 	}
-	g.P("// ", sn, " from public import ", filename)
 	g.usedPackages[df.importPath] = true
 
 	for _, sym := range df.exported[id.o] {
-		sym.GenerateAlias(g, g.GoPackageName(df.importPath))
+		sym.GenerateAlias(g, filename, g.GoPackageName(df.importPath))
 	}
 
 	g.P()
@@ -1410,6 +1385,7 @@
 		g.file.addExport(enum, constOrVarSymbol{name, "const", ccTypeName})
 	}
 	g.P(")")
+	g.P()
 	g.P("var ", ccTypeName, "_name = map[int32]string{")
 	generated := make(map[int32]bool) // avoid duplicate values
 	for _, e := range enum.Value {
@@ -1421,11 +1397,13 @@
 		generated[*e.Number] = true
 	}
 	g.P("}")
+	g.P()
 	g.P("var ", ccTypeName, "_value = map[string]int32{")
 	for _, e := range enum.Value {
 		g.P(strconv.Quote(*e.Name), ": ", e.Number, ",")
 	}
 	g.P("}")
+	g.P()
 
 	if !enum.proto3() {
 		g.P("func (x ", ccTypeName, ") Enum() *", ccTypeName, " {")
@@ -1433,11 +1411,13 @@
 		g.P("*p = x")
 		g.P("return p")
 		g.P("}")
+		g.P()
 	}
 
 	g.P("func (x ", ccTypeName, ") String() string {")
 	g.P("return ", g.Pkg["proto"], ".EnumName(", ccTypeName, "_name, int32(x))")
 	g.P("}")
+	g.P()
 
 	if !enum.proto3() {
 		g.P("func (x *", ccTypeName, ") UnmarshalJSON(data []byte) error {")
@@ -1448,6 +1428,7 @@
 		g.P("*x = ", ccTypeName, "(value)")
 		g.P("return nil")
 		g.P("}")
+		g.P()
 	}
 
 	var indexes []string
@@ -1459,11 +1440,13 @@
 	g.P("func (", ccTypeName, ") EnumDescriptor() ([]byte, []int) {")
 	g.P("return ", g.file.VarName(), ", []int{", strings.Join(indexes, ", "), "}")
 	g.P("}")
+	g.P()
 	if enum.file.GetPackage() == "google.protobuf" && enum.GetName() == "NullValue" {
 		g.P("func (", ccTypeName, `) XXX_WellKnownType() string { return "`, enum.GetName(), `" }`)
+		g.P()
 	}
 
-	g.P()
+	g.generateEnumRegistration(enum)
 }
 
 // The tag is a string like "varint,2,opt,name=fieldname,def=7" that
@@ -1520,6 +1503,18 @@
 				g.Fail("unknown enum type", CamelCaseSlice(obj.TypeName()))
 			}
 			defaultValue = enum.integerValueAsString(defaultValue)
+		case descriptor.FieldDescriptorProto_TYPE_FLOAT:
+			if def := defaultValue; def != "inf" && def != "-inf" && def != "nan" {
+				if f, err := strconv.ParseFloat(defaultValue, 32); err == nil {
+					defaultValue = fmt.Sprint(float32(f))
+				}
+			}
+		case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
+			if def := defaultValue; def != "inf" && def != "-inf" && def != "nan" {
+				if f, err := strconv.ParseFloat(defaultValue, 64); err == nil {
+					defaultValue = fmt.Sprint(f)
+				}
+			}
 		}
 		defaultValue = ",def=" + defaultValue
 	}
@@ -1557,7 +1552,7 @@
 			name = name[i+1:]
 		}
 	}
-	if json := field.GetJsonName(); json != "" && json != name {
+	if json := field.GetJsonName(); field.Extendee == nil && json != "" && json != name {
 		// TODO: escaping might be needed, in which case
 		// perhaps this should be in its own "json" tag.
 		name += ",json=" + json
@@ -1661,11 +1656,16 @@
 }
 
 func (g *Generator) RecordTypeUse(t string) {
-	if _, ok := g.typeNameToObject[t]; ok {
-		// Call ObjectNamed to get the true object to record the use.
-		obj := g.ObjectNamed(t)
-		g.usedPackages[obj.GoImportPath()] = true
+	if _, ok := g.typeNameToObject[t]; !ok {
+		return
 	}
+	importPath := g.ObjectNamed(t).GoImportPath()
+	if importPath == g.outputImportPath {
+		// Don't record use of objects in our package.
+		return
+	}
+	g.AddImport(importPath)
+	g.usedPackages[importPath] = true
 }
 
 // Method names that may be generated.  Fields with these names get an
@@ -1765,7 +1765,7 @@
 // oneofField - field containing list of subfields:
 // - oneofSubField - a field within the oneof
 
-// msgCtx contais the context for the generator functions.
+// msgCtx contains the context for the generator functions.
 type msgCtx struct {
 	goName  string      // Go struct name of the message, e.g. MessageName
 	message *Descriptor // The descriptor for the message
@@ -1869,216 +1869,15 @@
 	fieldNumber   int                                  // Actual field number, as defined in proto, e.g. 12
 	getterDef     string                               // Default for getters, e.g. "nil", `""` or "Default_MessageType_FieldName"
 	protoDef      string                               // Default value as defined in the proto file, e.g "yoshi" or "5"
-}
-
-// wireTypeName returns a textual wire type, needed for oneof sub fields in generated code.
-func (f *oneofSubField) wireTypeName() string {
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_FIXED64,
-		descriptor.FieldDescriptorProto_TYPE_SFIXED64,
-		descriptor.FieldDescriptorProto_TYPE_DOUBLE:
-		return "WireFixed64"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED32,
-		descriptor.FieldDescriptorProto_TYPE_SFIXED32,
-		descriptor.FieldDescriptorProto_TYPE_FLOAT:
-		return "WireFixed32"
-	case descriptor.FieldDescriptorProto_TYPE_GROUP:
-		return "WireStartGroup"
-	case descriptor.FieldDescriptorProto_TYPE_MESSAGE,
-		descriptor.FieldDescriptorProto_TYPE_STRING,
-		descriptor.FieldDescriptorProto_TYPE_BYTES:
-		return "WireBytes"
-	default: // All others are Varints
-		return "WireVarint"
-	}
+	deprecated    string                               // Deprecation comment, if any.
 }
 
 // typedNil prints a nil casted to the pointer to this field.
-// - for XXX_OneofFuncs
+// - for XXX_OneofWrappers
 func (f *oneofSubField) typedNil(g *Generator) {
 	g.P("(*", f.oneofTypeName, ")(nil),")
 }
 
-// marshalCase prints the case matching this oneof subfield in the marshalling code.
-func (f *oneofSubField) marshalCase(g *Generator) {
-	g.P("case *", f.oneofTypeName, ":")
-	wire := f.wireTypeName()
-	var pre, post string
-	val := "x." + f.goName // overridden for TYPE_BOOL
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
-		pre = "b.EncodeFixed64(" + g.Pkg["math"] + ".Float64bits("
-		post = "))"
-	case descriptor.FieldDescriptorProto_TYPE_FLOAT:
-		pre = "b.EncodeFixed32(uint64(" + g.Pkg["math"] + ".Float32bits("
-		post = ")))"
-	case descriptor.FieldDescriptorProto_TYPE_INT64, descriptor.FieldDescriptorProto_TYPE_UINT64:
-		pre, post = "b.EncodeVarint(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_INT32, descriptor.FieldDescriptorProto_TYPE_UINT32, descriptor.FieldDescriptorProto_TYPE_ENUM:
-		pre, post = "b.EncodeVarint(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED64, descriptor.FieldDescriptorProto_TYPE_SFIXED64:
-		pre, post = "b.EncodeFixed64(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED32, descriptor.FieldDescriptorProto_TYPE_SFIXED32:
-		pre, post = "b.EncodeFixed32(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_BOOL:
-		g.P("t := uint64(0)")
-		g.P("if ", val, " { t = 1 }")
-		val = "t"
-		pre, post = "b.EncodeVarint(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_STRING:
-		pre, post = "b.EncodeStringBytes(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_GROUP:
-		pre, post = "b.Marshal(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
-		pre, post = "b.EncodeMessage(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_BYTES:
-		pre, post = "b.EncodeRawBytes(", ")"
-	case descriptor.FieldDescriptorProto_TYPE_SINT32:
-		pre, post = "b.EncodeZigzag32(uint64(", "))"
-	case descriptor.FieldDescriptorProto_TYPE_SINT64:
-		pre, post = "b.EncodeZigzag64(uint64(", "))"
-	default:
-		g.Fail("unhandled oneof field type ", f.protoType.String())
-	}
-	g.P("b.EncodeVarint(", f.fieldNumber, "<<3|", g.Pkg["proto"], ".", wire, ")")
-	if t := f.protoType; t != descriptor.FieldDescriptorProto_TYPE_GROUP && t != descriptor.FieldDescriptorProto_TYPE_MESSAGE {
-		g.P(pre, val, post)
-	} else {
-		g.P("if err := ", pre, val, post, "; err != nil {")
-		g.P("return err")
-		g.P("}")
-	}
-	if f.protoType == descriptor.FieldDescriptorProto_TYPE_GROUP {
-		g.P("b.EncodeVarint(", f.fieldNumber, "<<3|", g.Pkg["proto"], ".WireEndGroup)")
-	}
-}
-
-// unmarshalCase prints the case matching this oneof subfield in the unmarshalling code.
-func (f *oneofSubField) unmarshalCase(g *Generator, origOneofName string, oneofName string) {
-	g.P("case ", f.fieldNumber, ": // ", origOneofName, ".", f.getProtoName())
-	g.P("if wire != ", g.Pkg["proto"], ".", f.wireTypeName(), " {")
-	g.P("return true, ", g.Pkg["proto"], ".ErrInternalBadWireType")
-	g.P("}")
-	lhs := "x, err" // overridden for TYPE_MESSAGE and TYPE_GROUP
-	var dec, cast, cast2 string
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
-		dec, cast = "b.DecodeFixed64()", g.Pkg["math"]+".Float64frombits"
-	case descriptor.FieldDescriptorProto_TYPE_FLOAT:
-		dec, cast, cast2 = "b.DecodeFixed32()", "uint32", g.Pkg["math"]+".Float32frombits"
-	case descriptor.FieldDescriptorProto_TYPE_INT64:
-		dec, cast = "b.DecodeVarint()", "int64"
-	case descriptor.FieldDescriptorProto_TYPE_UINT64:
-		dec = "b.DecodeVarint()"
-	case descriptor.FieldDescriptorProto_TYPE_INT32:
-		dec, cast = "b.DecodeVarint()", "int32"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED64:
-		dec = "b.DecodeFixed64()"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED32:
-		dec, cast = "b.DecodeFixed32()", "uint32"
-	case descriptor.FieldDescriptorProto_TYPE_BOOL:
-		dec = "b.DecodeVarint()"
-		// handled specially below
-	case descriptor.FieldDescriptorProto_TYPE_STRING:
-		dec = "b.DecodeStringBytes()"
-	case descriptor.FieldDescriptorProto_TYPE_GROUP:
-		g.P("msg := new(", f.goType[1:], ")") // drop star
-		lhs = "err"
-		dec = "b.DecodeGroup(msg)"
-		// handled specially below
-	case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
-		g.P("msg := new(", f.goType[1:], ")") // drop star
-		lhs = "err"
-		dec = "b.DecodeMessage(msg)"
-		// handled specially below
-	case descriptor.FieldDescriptorProto_TYPE_BYTES:
-		dec = "b.DecodeRawBytes(true)"
-	case descriptor.FieldDescriptorProto_TYPE_UINT32:
-		dec, cast = "b.DecodeVarint()", "uint32"
-	case descriptor.FieldDescriptorProto_TYPE_ENUM:
-		dec, cast = "b.DecodeVarint()", f.goType
-	case descriptor.FieldDescriptorProto_TYPE_SFIXED32:
-		dec, cast = "b.DecodeFixed32()", "int32"
-	case descriptor.FieldDescriptorProto_TYPE_SFIXED64:
-		dec, cast = "b.DecodeFixed64()", "int64"
-	case descriptor.FieldDescriptorProto_TYPE_SINT32:
-		dec, cast = "b.DecodeZigzag32()", "int32"
-	case descriptor.FieldDescriptorProto_TYPE_SINT64:
-		dec, cast = "b.DecodeZigzag64()", "int64"
-	default:
-		g.Fail("unhandled oneof field type ", f.protoType.String())
-	}
-	g.P(lhs, " := ", dec)
-	val := "x"
-	if cast != "" {
-		val = cast + "(" + val + ")"
-	}
-	if cast2 != "" {
-		val = cast2 + "(" + val + ")"
-	}
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_BOOL:
-		val += " != 0"
-	case descriptor.FieldDescriptorProto_TYPE_GROUP,
-		descriptor.FieldDescriptorProto_TYPE_MESSAGE:
-		val = "msg"
-	}
-	g.P("m.", oneofName, " = &", f.oneofTypeName, "{", val, "}")
-	g.P("return true, err")
-}
-
-// sizerCase prints the case matching this oneof subfield in the sizer code.
-func (f *oneofSubField) sizerCase(g *Generator) {
-	g.P("case *", f.oneofTypeName, ":")
-	val := "x." + f.goName
-	var varint, fixed string
-	switch f.protoType {
-	case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
-		fixed = "8"
-	case descriptor.FieldDescriptorProto_TYPE_FLOAT:
-		fixed = "4"
-	case descriptor.FieldDescriptorProto_TYPE_INT64, descriptor.FieldDescriptorProto_TYPE_UINT64, descriptor.FieldDescriptorProto_TYPE_INT32, descriptor.FieldDescriptorProto_TYPE_UINT32, descriptor.FieldDescriptorProto_TYPE_ENUM:
-		varint = val
-	case descriptor.FieldDescriptorProto_TYPE_FIXED64, descriptor.FieldDescriptorProto_TYPE_SFIXED64:
-		fixed = "8"
-	case descriptor.FieldDescriptorProto_TYPE_FIXED32, descriptor.FieldDescriptorProto_TYPE_SFIXED32:
-		fixed = "4"
-	case descriptor.FieldDescriptorProto_TYPE_BOOL:
-		fixed = "1"
-	case descriptor.FieldDescriptorProto_TYPE_STRING:
-		fixed = "len(" + val + ")"
-		varint = fixed
-	case descriptor.FieldDescriptorProto_TYPE_GROUP:
-		fixed = g.Pkg["proto"] + ".Size(" + val + ")"
-	case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
-		g.P("s := ", g.Pkg["proto"], ".Size(", val, ")")
-		fixed = "s"
-		varint = fixed
-	case descriptor.FieldDescriptorProto_TYPE_BYTES:
-		fixed = "len(" + val + ")"
-		varint = fixed
-	case descriptor.FieldDescriptorProto_TYPE_SINT32:
-		varint = "(uint32(" + val + ") << 1) ^ uint32((int32(" + val + ") >> 31))"
-	case descriptor.FieldDescriptorProto_TYPE_SINT64:
-		varint = "uint64(" + val + " << 1) ^ uint64((int64(" + val + ") >> 63))"
-	default:
-		g.Fail("unhandled oneof field type ", f.protoType.String())
-	}
-	// Tag and wire varint is known statically,
-	// so don't generate code for that part of the size computation.
-	tagAndWireSize := proto.SizeVarint(uint64(f.fieldNumber << 3)) // wire doesn't affect varint size
-	g.P("n += ", tagAndWireSize, " // tag and wire")
-	if varint != "" {
-		g.P("n += ", g.Pkg["proto"], ".SizeVarint(uint64(", varint, "))")
-	}
-	if fixed != "" {
-		g.P("n += ", fixed)
-	}
-	if f.protoType == descriptor.FieldDescriptorProto_TYPE_GROUP {
-		g.P("n += ", tagAndWireSize, " // tag and wire")
-	}
-}
-
 // getProtoDef returns the default value explicitly stated in the proto file, e.g "yoshi" or "5".
 func (f *oneofSubField) getProtoDef() string {
 	return f.protoDef
@@ -2138,6 +1937,9 @@
 	g.P()
 	// Getters for each oneof
 	for _, sf := range f.subFields {
+		if sf.deprecated != "" {
+			g.P(sf.deprecated)
+		}
 		g.P("func (m *", mc.goName, ") ", Annotate(mc.message.file, sf.fullPath, sf.getterName), "() "+sf.goType+" {")
 		g.P("if x, ok := m.", f.getterName, "().(*", sf.oneofTypeName, "); ok {")
 		g.P("return x.", sf.goName)
@@ -2215,6 +2017,14 @@
 				def = "float32(" + def + ")"
 			}
 			kind = "var "
+		case df.getProtoType() == descriptor.FieldDescriptorProto_TYPE_FLOAT:
+			if f, err := strconv.ParseFloat(def, 32); err == nil {
+				def = fmt.Sprint(float32(f))
+			}
+		case df.getProtoType() == descriptor.FieldDescriptorProto_TYPE_DOUBLE:
+			if f, err := strconv.ParseFloat(def, 64); err == nil {
+				def = fmt.Sprint(f)
+			}
 		case df.getProtoType() == descriptor.FieldDescriptorProto_TYPE_ENUM:
 			// Must be an enum.  Need to construct the prefixed name.
 			obj := g.ObjectNamed(df.getProtoTypeName())
@@ -2263,17 +2073,11 @@
 	if len(ofields) == 0 {
 		return
 	}
-	enc := "_" + mc.goName + "_OneofMarshaler"
-	dec := "_" + mc.goName + "_OneofUnmarshaler"
-	size := "_" + mc.goName + "_OneofSizer"
-	encSig := "(msg " + g.Pkg["proto"] + ".Message, b *" + g.Pkg["proto"] + ".Buffer) error"
-	decSig := "(msg " + g.Pkg["proto"] + ".Message, tag, wire int, b *" + g.Pkg["proto"] + ".Buffer) (bool, error)"
-	sizeSig := "(msg " + g.Pkg["proto"] + ".Message) (n int)"
 
 	// OneofFuncs
-	g.P("// XXX_OneofFuncs is for the internal use of the proto package.")
-	g.P("func (*", mc.goName, ") XXX_OneofFuncs() (func", encSig, ", func", decSig, ", func", sizeSig, ", []interface{}) {")
-	g.P("return ", enc, ", ", dec, ", ", size, ", []interface{}{")
+	g.P("// XXX_OneofWrappers is for the internal use of the proto package.")
+	g.P("func (*", mc.goName, ") XXX_OneofWrappers() []interface{} {")
+	g.P("return []interface{}{")
 	for _, of := range ofields {
 		for _, sf := range of.subFields {
 			sf.typedNil(g)
@@ -2282,59 +2086,6 @@
 	g.P("}")
 	g.P("}")
 	g.P()
-
-	// marshaler
-	g.P("func ", enc, encSig, " {")
-	g.P("m := msg.(*", mc.goName, ")")
-	for _, of := range ofields {
-		g.P("// ", of.getProtoName())
-		g.P("switch x := m.", of.goName, ".(type) {")
-		for _, sf := range of.subFields {
-			// also fills in field.wire
-			sf.marshalCase(g)
-		}
-		g.P("case nil:")
-		g.P("default:")
-		g.P(" return ", g.Pkg["fmt"], `.Errorf("`, mc.goName, ".", of.goName, ` has unexpected type %T", x)`)
-		g.P("}")
-	}
-	g.P("return nil")
-	g.P("}")
-	g.P()
-
-	// unmarshaler
-	g.P("func ", dec, decSig, " {")
-	g.P("m := msg.(*", mc.goName, ")")
-	g.P("switch tag {")
-	for _, of := range ofields {
-		for _, sf := range of.subFields {
-			sf.unmarshalCase(g, of.getProtoName(), of.goName)
-		}
-	}
-	g.P("default:")
-	g.P("return false, nil")
-	g.P("}")
-	g.P("}")
-	g.P()
-
-	// sizer
-	g.P("func ", size, sizeSig, " {")
-	g.P("m := msg.(*", mc.goName, ")")
-	for _, of := range ofields {
-		g.P("// ", of.getProtoName())
-		g.P("switch x := m.", of.goName, ".(type) {")
-		for _, sf := range of.subFields {
-			// also fills in field.wire
-			sf.sizerCase(g)
-		}
-		g.P("case nil:")
-		g.P("default:")
-		g.P("panic(", g.Pkg["fmt"], ".Sprintf(\"proto: unexpected type %T in oneof\", x))")
-		g.P("}")
-	}
-	g.P("return n")
-	g.P("}")
-	g.P()
 }
 
 // generateMessageStruct adds the actual struct with it's members (but not methods) to the output.
@@ -2386,25 +2137,16 @@
 	g.P("func (*", mc.goName, ") Descriptor() ([]byte, []int) {")
 	g.P("return ", g.file.VarName(), ", []int{", strings.Join(indexes, ", "), "}")
 	g.P("}")
+	g.P()
 	// TODO: Revisit the decision to use a XXX_WellKnownType method
 	// if we change proto.MessageName to work with multiple equivalents.
 	if mc.message.file.GetPackage() == "google.protobuf" && wellKnownTypes[mc.message.GetName()] {
 		g.P("func (*", mc.goName, `) XXX_WellKnownType() string { return "`, mc.message.GetName(), `" }`)
+		g.P()
 	}
 
 	// Extension support methods
 	if len(mc.message.ExtensionRange) > 0 {
-		// message_set_wire_format only makes sense when extensions are defined.
-		if opts := mc.message.Options; opts != nil && opts.GetMessageSetWireFormat() {
-			g.P()
-			g.P("func (m *", mc.goName, ") MarshalJSON() ([]byte, error) {")
-			g.P("return ", g.Pkg["proto"], ".MarshalMessageSetJSON(&m.XXX_InternalExtensions)")
-			g.P("}")
-			g.P("func (m *", mc.goName, ") UnmarshalJSON(buf []byte) error {")
-			g.P("return ", g.Pkg["proto"], ".UnmarshalMessageSetJSON(buf, &m.XXX_InternalExtensions)")
-			g.P("}")
-		}
-
 		g.P()
 		g.P("var extRange_", mc.goName, " = []", g.Pkg["proto"], ".ExtensionRange{")
 		for _, r := range mc.message.ExtensionRange {
@@ -2415,6 +2157,7 @@
 		g.P("func (*", mc.goName, ") ExtensionRangeArray() []", g.Pkg["proto"], ".ExtensionRange {")
 		g.P("return extRange_", mc.goName)
 		g.P("}")
+		g.P()
 	}
 
 	// TODO: It does not scale to keep adding another method for every
@@ -2432,8 +2175,8 @@
 	g.P("return xxx_messageInfo_", mc.goName, ".Marshal(b, m, deterministic)")
 	g.P("}")
 
-	g.P("func (dst *", mc.goName, ") XXX_Merge(src ", g.Pkg["proto"], ".Message) {")
-	g.P("xxx_messageInfo_", mc.goName, ".Merge(dst, src)")
+	g.P("func (m *", mc.goName, ") XXX_Merge(src ", g.Pkg["proto"], ".Message) {")
+	g.P("xxx_messageInfo_", mc.goName, ".Merge(m, src)")
 	g.P("}")
 
 	g.P("func (m *", mc.goName, ") XXX_Size() int {") // avoid name clash with "Size" field in some message
@@ -2503,8 +2246,7 @@
 		if oneof && oFields[*field.OneofIndex] == nil {
 			odp := message.OneofDecl[int(*field.OneofIndex)]
 			base := CamelCase(odp.GetName())
-			names := allocNames(base, "Get"+base)
-			fname, gname := names[0], names[1]
+			fname := allocNames(base)[0]
 
 			// This is the first field of a oneof we haven't seen before.
 			// Generate the union field.
@@ -2522,7 +2264,7 @@
 			of := oneofField{
 				fieldCommon: fieldCommon{
 					goName:     fname,
-					getterName: gname,
+					getterName: "Get"+fname,
 					goType:     dname,
 					tags:       tag,
 					protoName:  odp.GetName(),
@@ -2564,6 +2306,11 @@
 			}
 		}
 
+		fieldDeprecated := ""
+		if field.GetOptions().GetDeprecated() {
+			fieldDeprecated = deprecationComment
+		}
+
 		dvalue := g.getterDefault(field, goTypeName)
 		if oneof {
 			tname := goTypeName + "_" + fieldName
@@ -2607,17 +2354,13 @@
 				getterDef:     dvalue,
 				protoDef:      field.GetDefaultValue(),
 				oneofTypeName: tname,
+				deprecated:    fieldDeprecated,
 			}
 			oneofField.subFields = append(oneofField.subFields, &sf)
 			g.RecordTypeUse(field.GetTypeName())
 			continue
 		}
 
-		fieldDeprecated := ""
-		if field.GetOptions().GetDeprecated() {
-			fieldDeprecated = deprecationComment
-		}
-
 		fieldFullPath := fmt.Sprintf("%s,%d,%d", message.path, messageFieldPath, i)
 		c, ok := g.makeComments(fieldFullPath)
 		if ok {
@@ -2663,27 +2406,24 @@
 	g.generateOneofFuncs(mc, topLevelFields)
 	g.P()
 
-	if !message.group {
-
-		var oneofTypes []string
-		for _, f := range topLevelFields {
-			if of, ok := f.(*oneofField); ok {
-				for _, osf := range of.subFields {
-					oneofTypes = append(oneofTypes, osf.oneofTypeName)
-				}
+	var oneofTypes []string
+	for _, f := range topLevelFields {
+		if of, ok := f.(*oneofField); ok {
+			for _, osf := range of.subFields {
+				oneofTypes = append(oneofTypes, osf.oneofTypeName)
 			}
 		}
-
-		opts := message.Options
-		ms := &messageSymbol{
-			sym:           goTypeName,
-			hasExtensions: len(message.ExtensionRange) > 0,
-			isMessageSet:  opts != nil && opts.GetMessageSetWireFormat(),
-			oneofTypes:    oneofTypes,
-		}
-		g.file.addExport(message, ms)
 	}
 
+	opts := message.Options
+	ms := &messageSymbol{
+		sym:           goTypeName,
+		hasExtensions: len(message.ExtensionRange) > 0,
+		isMessageSet:  opts != nil && opts.GetMessageSetWireFormat(),
+		oneofTypes:    oneofTypes,
+	}
+	g.file.addExport(message, ms)
+
 	for _, ext := range message.ext {
 		g.generateExtension(ext)
 	}
@@ -2811,10 +2551,8 @@
 	// In addition, the situation for when to apply this special case is implemented
 	// differently in other languages:
 	// https://github.com/google/protobuf/blob/aff10976/src/google/protobuf/text_format.cc#L1560
-	mset := false
 	if extDesc.GetOptions().GetMessageSetWireFormat() && typeName[len(typeName)-1] == "message_set_extension" {
 		typeName = typeName[:len(typeName)-1]
-		mset = true
 	}
 
 	// For text formatting, the package must be exactly what the .proto file declares,
@@ -2835,26 +2573,12 @@
 	g.P("}")
 	g.P()
 
-	if mset {
-		// Generate a bit more code to register with message_set.go.
-		g.addInitf("%s.RegisterMessageSetType((%s)(nil), %d, %q)", g.Pkg["proto"], fieldType, *field.Number, extName)
-	}
+	g.addInitf("%s.RegisterExtension(%s)", g.Pkg["proto"], ext.DescName())
 
 	g.file.addExport(ext, constOrVarSymbol{ccTypeName, "var", ""})
 }
 
 func (g *Generator) generateInitFunction() {
-	for _, enum := range g.file.enum {
-		g.generateEnumRegistration(enum)
-	}
-	for _, d := range g.file.desc {
-		for _, ext := range d.ext {
-			g.generateExtensionRegistration(ext)
-		}
-	}
-	for _, ext := range g.file.ext {
-		g.generateExtensionRegistration(ext)
-	}
 	if len(g.init) == 0 {
 		return
 	}
@@ -2918,10 +2642,6 @@
 	g.addInitf("%s.RegisterEnum(%q, %[3]s_name, %[3]s_value)", g.Pkg["proto"], pkg+ccTypeName, ccTypeName)
 }
 
-func (g *Generator) generateExtensionRegistration(ext *ExtensionDescriptor) {
-	g.addInitf("%s.RegisterExtension(%s)", g.Pkg["proto"], ext.DescName())
-}
-
 // And now lots of helper functions.
 
 // Is c an ASCII lower-case letter?
diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/grpc/grpc.go b/vendor/github.com/golang/protobuf/protoc-gen-go/grpc/grpc.go
index faef1ab..1ddfe83 100644
--- a/vendor/github.com/golang/protobuf/protoc-gen-go/grpc/grpc.go
+++ b/vendor/github.com/golang/protobuf/protoc-gen-go/grpc/grpc.go
@@ -36,7 +36,6 @@
 
 import (
 	"fmt"
-	"path"
 	"strconv"
 	"strings"
 
@@ -53,7 +52,7 @@
 // Paths for packages used by code generated in this file,
 // relative to the import_prefix of the generator.Generator.
 const (
-	contextPkgPath = "golang.org/x/net/context"
+	contextPkgPath = "context"
 	grpcPkgPath    = "google.golang.org/grpc"
 )
 
@@ -83,8 +82,6 @@
 // Init initializes the plugin.
 func (g *grpc) Init(gen *generator.Generator) {
 	g.gen = gen
-	contextPkg = generator.RegisterUniquePackageName("context", nil)
-	grpcPkg = generator.RegisterUniquePackageName("grpc", nil)
 }
 
 // Given a type name defined in a .proto, return its object.
@@ -108,6 +105,9 @@
 		return
 	}
 
+	contextPkg = string(g.gen.AddImport(contextPkgPath))
+	grpcPkg = string(g.gen.AddImport(grpcPkgPath))
+
 	g.P("// Reference imports to suppress errors if they are not otherwise used.")
 	g.P("var _ ", contextPkg, ".Context")
 	g.P("var _ ", grpcPkg, ".ClientConn")
@@ -126,14 +126,6 @@
 
 // GenerateImports generates the import declaration for this file.
 func (g *grpc) GenerateImports(file *generator.FileDescriptor) {
-	if len(file.FileDescriptorProto.Service) == 0 {
-		return
-	}
-	g.P("import (")
-	g.P(contextPkg, " ", generator.GoImportPath(path.Join(string(g.gen.ImportPrefix), contextPkgPath)))
-	g.P(grpcPkg, " ", generator.GoImportPath(path.Join(string(g.gen.ImportPrefix), grpcPkgPath)))
-	g.P(")")
-	g.P()
 }
 
 // reservedClientName records whether a client name is reserved on the client side.
diff --git a/vendor/github.com/golang/protobuf/ptypes/any/any.pb.go b/vendor/github.com/golang/protobuf/ptypes/any/any.pb.go
index e3c56d3..78ee523 100644
--- a/vendor/github.com/golang/protobuf/ptypes/any/any.pb.go
+++ b/vendor/github.com/golang/protobuf/ptypes/any/any.pb.go
@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/any.proto
 
-package any // import "github.com/golang/protobuf/ptypes/any"
+package any
 
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // `Any` contains an arbitrary serialized protocol buffer message along with a
 // URL that describes the type of the serialized message.
@@ -99,17 +101,18 @@
 //     }
 //
 type Any struct {
-	// A URL/resource name whose content describes the type of the
-	// serialized protocol buffer message.
+	// A URL/resource name that uniquely identifies the type of the serialized
+	// protocol buffer message. The last segment of the URL's path must represent
+	// the fully qualified name of the type (as in
+	// `path/google.protobuf.Duration`). The name should be in a canonical form
+	// (e.g., leading "." is not accepted).
 	//
-	// For URLs which use the scheme `http`, `https`, or no scheme, the
-	// following restrictions and interpretations apply:
+	// In practice, teams usually precompile into the binary all types that they
+	// expect it to use in the context of Any. However, for URLs which use the
+	// scheme `http`, `https`, or no scheme, one can optionally set up a type
+	// server that maps type URLs to message definitions as follows:
 	//
 	// * If no scheme is provided, `https` is assumed.
-	// * The last segment of the URL's path must represent the fully
-	//   qualified name of the type (as in `path/google.protobuf.Duration`).
-	//   The name should be in a canonical form (e.g., leading "." is
-	//   not accepted).
 	// * An HTTP GET on the URL must yield a [google.protobuf.Type][]
 	//   value in binary format, or produce an error.
 	// * Applications are allowed to cache lookup results based on the
@@ -118,6 +121,10 @@
 	//   on changes to types. (Use versioned type names to manage
 	//   breaking changes.)
 	//
+	// Note: this functionality is not currently available in the official
+	// protobuf release, and it is not used for type URLs beginning with
+	// type.googleapis.com.
+	//
 	// Schemes other than `http`, `https` (or the empty scheme) might be
 	// used with implementation specific semantics.
 	//
@@ -133,17 +140,19 @@
 func (m *Any) String() string { return proto.CompactTextString(m) }
 func (*Any) ProtoMessage()    {}
 func (*Any) Descriptor() ([]byte, []int) {
-	return fileDescriptor_any_744b9ca530f228db, []int{0}
+	return fileDescriptor_b53526c13ae22eb4, []int{0}
 }
+
 func (*Any) XXX_WellKnownType() string { return "Any" }
+
 func (m *Any) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Any.Unmarshal(m, b)
 }
 func (m *Any) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Any.Marshal(b, m, deterministic)
 }
-func (dst *Any) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Any.Merge(dst, src)
+func (m *Any) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Any.Merge(m, src)
 }
 func (m *Any) XXX_Size() int {
 	return xxx_messageInfo_Any.Size(m)
@@ -172,9 +181,9 @@
 	proto.RegisterType((*Any)(nil), "google.protobuf.Any")
 }
 
-func init() { proto.RegisterFile("google/protobuf/any.proto", fileDescriptor_any_744b9ca530f228db) }
+func init() { proto.RegisterFile("google/protobuf/any.proto", fileDescriptor_b53526c13ae22eb4) }
 
-var fileDescriptor_any_744b9ca530f228db = []byte{
+var fileDescriptor_b53526c13ae22eb4 = []byte{
 	// 185 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4c, 0xcf, 0xcf, 0x4f,
 	0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x4f, 0xcc, 0xab, 0xd4,
diff --git a/vendor/github.com/golang/protobuf/ptypes/any/any.proto b/vendor/github.com/golang/protobuf/ptypes/any/any.proto
index c748667..4932942 100644
--- a/vendor/github.com/golang/protobuf/ptypes/any/any.proto
+++ b/vendor/github.com/golang/protobuf/ptypes/any/any.proto
@@ -120,17 +120,18 @@
 //     }
 //
 message Any {
-  // A URL/resource name whose content describes the type of the
-  // serialized protocol buffer message.
+  // A URL/resource name that uniquely identifies the type of the serialized
+  // protocol buffer message. The last segment of the URL's path must represent
+  // the fully qualified name of the type (as in
+  // `path/google.protobuf.Duration`). The name should be in a canonical form
+  // (e.g., leading "." is not accepted).
   //
-  // For URLs which use the scheme `http`, `https`, or no scheme, the
-  // following restrictions and interpretations apply:
+  // In practice, teams usually precompile into the binary all types that they
+  // expect it to use in the context of Any. However, for URLs which use the
+  // scheme `http`, `https`, or no scheme, one can optionally set up a type
+  // server that maps type URLs to message definitions as follows:
   //
   // * If no scheme is provided, `https` is assumed.
-  // * The last segment of the URL's path must represent the fully
-  //   qualified name of the type (as in `path/google.protobuf.Duration`).
-  //   The name should be in a canonical form (e.g., leading "." is
-  //   not accepted).
   // * An HTTP GET on the URL must yield a [google.protobuf.Type][]
   //   value in binary format, or produce an error.
   // * Applications are allowed to cache lookup results based on the
@@ -139,6 +140,10 @@
   //   on changes to types. (Use versioned type names to manage
   //   breaking changes.)
   //
+  // Note: this functionality is not currently available in the official
+  // protobuf release, and it is not used for type URLs beginning with
+  // type.googleapis.com.
+  //
   // Schemes other than `http`, `https` (or the empty scheme) might be
   // used with implementation specific semantics.
   //
diff --git a/vendor/github.com/golang/protobuf/ptypes/duration.go b/vendor/github.com/golang/protobuf/ptypes/duration.go
index 65cb0f8..26d1ca2 100644
--- a/vendor/github.com/golang/protobuf/ptypes/duration.go
+++ b/vendor/github.com/golang/protobuf/ptypes/duration.go
@@ -82,7 +82,7 @@
 		return 0, fmt.Errorf("duration: %v is out of range for time.Duration", p)
 	}
 	if p.Nanos != 0 {
-		d += time.Duration(p.Nanos)
+		d += time.Duration(p.Nanos) * time.Nanosecond
 		if (d < 0) != (p.Nanos < 0) {
 			return 0, fmt.Errorf("duration: %v is out of range for time.Duration", p)
 		}
diff --git a/vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go b/vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go
index a7beb2c..0d681ee 100644
--- a/vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go
+++ b/vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go
@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/duration.proto
 
-package duration // import "github.com/golang/protobuf/ptypes/duration"
+package duration
 
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // A Duration represents a signed, fixed-length span of time represented
 // as a count of seconds and fractions of seconds at nanosecond
@@ -99,17 +101,19 @@
 func (m *Duration) String() string { return proto.CompactTextString(m) }
 func (*Duration) ProtoMessage()    {}
 func (*Duration) Descriptor() ([]byte, []int) {
-	return fileDescriptor_duration_e7d612259e3f0613, []int{0}
+	return fileDescriptor_23597b2ebd7ac6c5, []int{0}
 }
+
 func (*Duration) XXX_WellKnownType() string { return "Duration" }
+
 func (m *Duration) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Duration.Unmarshal(m, b)
 }
 func (m *Duration) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Duration.Marshal(b, m, deterministic)
 }
-func (dst *Duration) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Duration.Merge(dst, src)
+func (m *Duration) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Duration.Merge(m, src)
 }
 func (m *Duration) XXX_Size() int {
 	return xxx_messageInfo_Duration.Size(m)
@@ -138,11 +142,9 @@
 	proto.RegisterType((*Duration)(nil), "google.protobuf.Duration")
 }
 
-func init() {
-	proto.RegisterFile("google/protobuf/duration.proto", fileDescriptor_duration_e7d612259e3f0613)
-}
+func init() { proto.RegisterFile("google/protobuf/duration.proto", fileDescriptor_23597b2ebd7ac6c5) }
 
-var fileDescriptor_duration_e7d612259e3f0613 = []byte{
+var fileDescriptor_23597b2ebd7ac6c5 = []byte{
 	// 190 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4b, 0xcf, 0xcf, 0x4f,
 	0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x4f, 0x29, 0x2d, 0x4a,
diff --git a/vendor/github.com/golang/protobuf/ptypes/empty/empty.pb.go b/vendor/github.com/golang/protobuf/ptypes/empty/empty.pb.go
index a69b403..b4eb03e 100644
--- a/vendor/github.com/golang/protobuf/ptypes/empty/empty.pb.go
+++ b/vendor/github.com/golang/protobuf/ptypes/empty/empty.pb.go
@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/empty.proto
 
-package empty // import "github.com/golang/protobuf/ptypes/empty"
+package empty
 
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // A generic empty message that you can re-use to avoid defining duplicated
 // empty messages in your APIs. A typical example is to use it as the request
@@ -37,17 +39,19 @@
 func (m *Empty) String() string { return proto.CompactTextString(m) }
 func (*Empty) ProtoMessage()    {}
 func (*Empty) Descriptor() ([]byte, []int) {
-	return fileDescriptor_empty_39e6d6db0632e5b2, []int{0}
+	return fileDescriptor_900544acb223d5b8, []int{0}
 }
+
 func (*Empty) XXX_WellKnownType() string { return "Empty" }
+
 func (m *Empty) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Empty.Unmarshal(m, b)
 }
 func (m *Empty) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Empty.Marshal(b, m, deterministic)
 }
-func (dst *Empty) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Empty.Merge(dst, src)
+func (m *Empty) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Empty.Merge(m, src)
 }
 func (m *Empty) XXX_Size() int {
 	return xxx_messageInfo_Empty.Size(m)
@@ -62,9 +66,9 @@
 	proto.RegisterType((*Empty)(nil), "google.protobuf.Empty")
 }
 
-func init() { proto.RegisterFile("google/protobuf/empty.proto", fileDescriptor_empty_39e6d6db0632e5b2) }
+func init() { proto.RegisterFile("google/protobuf/empty.proto", fileDescriptor_900544acb223d5b8) }
 
-var fileDescriptor_empty_39e6d6db0632e5b2 = []byte{
+var fileDescriptor_900544acb223d5b8 = []byte{
 	// 148 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4e, 0xcf, 0xcf, 0x4f,
 	0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x4f, 0xcd, 0x2d, 0x28,
diff --git a/vendor/github.com/golang/protobuf/ptypes/timestamp.go b/vendor/github.com/golang/protobuf/ptypes/timestamp.go
index 47f10db..8da0df0 100644
--- a/vendor/github.com/golang/protobuf/ptypes/timestamp.go
+++ b/vendor/github.com/golang/protobuf/ptypes/timestamp.go
@@ -111,11 +111,9 @@
 // TimestampProto converts the time.Time to a google.protobuf.Timestamp proto.
 // It returns an error if the resulting Timestamp is invalid.
 func TimestampProto(t time.Time) (*tspb.Timestamp, error) {
-	seconds := t.Unix()
-	nanos := int32(t.Sub(time.Unix(seconds, 0)))
 	ts := &tspb.Timestamp{
-		Seconds: seconds,
-		Nanos:   nanos,
+		Seconds: t.Unix(),
+		Nanos:   int32(t.Nanosecond()),
 	}
 	if err := validateTimestamp(ts); err != nil {
 		return nil, err
diff --git a/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go b/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go
index 8e76ae9..31cd846 100644
--- a/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go
+++ b/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go
@@ -1,11 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: google/protobuf/timestamp.proto
 
-package timestamp // import "github.com/golang/protobuf/ptypes/timestamp"
+package timestamp
 
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -16,7 +18,7 @@
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
 // A Timestamp represents a point in time independent of any time zone
 // or calendar, represented as seconds and fractions of seconds at
@@ -81,7 +83,9 @@
 // {hour}, {min}, and {sec} are zero-padded to two digits each. The fractional
 // seconds, which can go up to 9 digits (i.e. up to 1 nanosecond resolution),
 // are optional. The "Z" suffix indicates the timezone ("UTC"); the timezone
-// is required, though only UTC (as indicated by "Z") is presently supported.
+// is required. A proto3 JSON serializer should always use UTC (as indicated by
+// "Z") when printing the Timestamp type and a proto3 JSON parser should be
+// able to accept both UTC and other timezones (as indicated by an offset).
 //
 // For example, "2017-01-15T01:30:15.01Z" encodes 15.01 seconds past
 // 01:30 UTC on January 15, 2017.
@@ -92,8 +96,8 @@
 // to this format using [`strftime`](https://docs.python.org/2/library/time.html#time.strftime)
 // with the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one
 // can use the Joda Time's [`ISODateTimeFormat.dateTime()`](
-// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--)
-// to obtain a formatter capable of generating timestamps in this format.
+// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--
+// ) to obtain a formatter capable of generating timestamps in this format.
 //
 //
 type Timestamp struct {
@@ -115,17 +119,19 @@
 func (m *Timestamp) String() string { return proto.CompactTextString(m) }
 func (*Timestamp) ProtoMessage()    {}
 func (*Timestamp) Descriptor() ([]byte, []int) {
-	return fileDescriptor_timestamp_b826e8e5fba671a8, []int{0}
+	return fileDescriptor_292007bbfe81227e, []int{0}
 }
+
 func (*Timestamp) XXX_WellKnownType() string { return "Timestamp" }
+
 func (m *Timestamp) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_Timestamp.Unmarshal(m, b)
 }
 func (m *Timestamp) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_Timestamp.Marshal(b, m, deterministic)
 }
-func (dst *Timestamp) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Timestamp.Merge(dst, src)
+func (m *Timestamp) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Timestamp.Merge(m, src)
 }
 func (m *Timestamp) XXX_Size() int {
 	return xxx_messageInfo_Timestamp.Size(m)
@@ -154,11 +160,9 @@
 	proto.RegisterType((*Timestamp)(nil), "google.protobuf.Timestamp")
 }
 
-func init() {
-	proto.RegisterFile("google/protobuf/timestamp.proto", fileDescriptor_timestamp_b826e8e5fba671a8)
-}
+func init() { proto.RegisterFile("google/protobuf/timestamp.proto", fileDescriptor_292007bbfe81227e) }
 
-var fileDescriptor_timestamp_b826e8e5fba671a8 = []byte{
+var fileDescriptor_292007bbfe81227e = []byte{
 	// 191 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x4f, 0xcf, 0xcf, 0x4f,
 	0xcf, 0x49, 0xd5, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0xc9, 0xcc, 0x4d,
diff --git a/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto b/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto
index 06750ab..eafb3fa 100644
--- a/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto
+++ b/vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto
@@ -103,7 +103,9 @@
 // {hour}, {min}, and {sec} are zero-padded to two digits each. The fractional
 // seconds, which can go up to 9 digits (i.e. up to 1 nanosecond resolution),
 // are optional. The "Z" suffix indicates the timezone ("UTC"); the timezone
-// is required, though only UTC (as indicated by "Z") is presently supported.
+// is required. A proto3 JSON serializer should always use UTC (as indicated by
+// "Z") when printing the Timestamp type and a proto3 JSON parser should be
+// able to accept both UTC and other timezones (as indicated by an offset).
 //
 // For example, "2017-01-15T01:30:15.01Z" encodes 15.01 seconds past
 // 01:30 UTC on January 15, 2017.
@@ -114,8 +116,8 @@
 // to this format using [`strftime`](https://docs.python.org/2/library/time.html#time.strftime)
 // with the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one
 // can use the Joda Time's [`ISODateTimeFormat.dateTime()`](
-// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--)
-// to obtain a formatter capable of generating timestamps in this format.
+// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime--
+// ) to obtain a formatter capable of generating timestamps in this format.
 //
 //
 message Timestamp {