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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+	0x89, 0x4e, 0xe5, 0xb7, 0x04, 0x55, 0xe0, 0x9d, 0x08, 0x66, 0x4b, 0xc2, 0x7f, 0x62, 0x0e, 0x83,
+	0xc8, 0xe2, 0x55, 0xb1, 0x24, 0x38, 0x16, 0x5a, 0xdb, 0x01, 0xc4, 0x42, 0x91, 0xea, 0x78, 0x87,
+	0xd3, 0xaa, 0xee, 0xd8, 0x4d, 0xf6, 0xfb, 0x06, 0xac, 0x32, 0xe6, 0xac, 0xd3, 0x6b, 0xa2, 0x20,
+	0x73, 0xc7, 0x89, 0x1e, 0x6f, 0xc1, 0x05, 0x46, 0x9a, 0xd0, 0x80, 0x18, 0x24, 0x20, 0x09, 0xf6,
+	0xbb, 0x9c, 0xcd, 0xe2, 0x7e, 0x14, 0x0a, 0x53, 0x7e, 0x7a, 0xd3, 0x93, 0xd3, 0x38, 0xb3, 0x6e,
+	0x08, 0x3f, 0x19, 0x16, 0xe5, 0xd6, 0xf7, 0x56, 0x74, 0xd7, 0xf6, 0xa0, 0x92, 0x4c, 0x7c, 0x5c,
+	0x02, 0x91, 0xfa, 0x48, 0x62, 0x55, 0x50, 0xb3, 0xdb, 0x62, 0xf5, 0xcb, 0xe7, 0x0a, 0xca, 0xb0,
+	0x3a, 0xea, 0xb0, 0x3d, 0x50, 0x34, 0xf5, 0xb8, 0x33, 0x68, 0x1f, 0x29, 0x28, 0x9b, 0x28, 0xd8,
+	0x1f, 0xe4, 0x8a, 0x6f, 0xa3, 0xab, 0xb5, 0xaf, 0x33, 0x50, 0x4d, 0xdf, 0xc0, 0xf0, 0x8f, 0xe0,
+	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,
+	0xdf, 0x77, 0xc4, 0x49, 0x18, 0x5b, 0x79, 0xd5, 0x76, 0xfa, 0x21, 0x79, 0x76, 0x44, 0x34, 0x42,
+	0xea, 0x5c, 0xfe, 0x66, 0xcf, 0xca, 0xdf, 0x57, 0xa0, 0x34, 0x21, 0xae, 0x46, 0xed, 0xc0, 0x3b,
+	0xe5, 0x75, 0x77, 0x51, 0x2d, 0x4e, 0x88, 0xab, 0xb0, 0xf6, 0x0b, 0xb9, 0xfe, 0x3c, 0xc8, 0x15,
+	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,
+	0x18, 0x7a, 0x09, 0x17, 0x21, 0xd7, 0xec, 0xaa, 0x6c, 0x41, 0x20, 0xa8, 0x08, 0x54, 0xeb, 0xb5,
+	0x95, 0xa6, 0x82, 0x32, 0xb5, 0xdb, 0x50, 0x10, 0x41, 0x60, 0x8b, 0x25, 0x0e, 0x03, 0x7a, 0x29,
+	0x6c, 0x86, 0x36, 0xa4, 0x48, 0x7a, 0x7c, 0xb4, 0xaf, 0xa8, 0x28, 0x93, 0x9e, 0xea, 0x1c, 0xca,
+	0xd7, 0x7c, 0xa8, 0x24, 0x0b, 0xf1, 0x17, 0x73, 0xc9, 0xfe, 0x9b, 0x04, 0xe5, 0x44, 0x61, 0xcd,
+	0x2a, 0x22, 0x62, 0x59, 0xce, 0x13, 0x8d, 0x58, 0x26, 0xf1, 0xc3, 0xd4, 0x00, 0x0e, 0x35, 0x18,
+	0x72, 0xde, 0xa9, 0x7b, 0x41, 0x4b, 0x24, 0x8f, 0x0a, 0xb5, 0x3f, 0x4a, 0x80, 0xe6, 0x2b, 0xdb,
+	0x39, 0x37, 0xa5, 0x1f, 0xd2, 0xcd, 0xda, 0x1f, 0x24, 0xa8, 0xa6, 0xcb, 0xd9, 0x39, 0xf7, 0xae,
+	0xfc, 0xa0, 0xee, 0xfd, 0x23, 0x03, 0xab, 0xa9, 0x22, 0xf6, 0xbc, 0xde, 0x7d, 0x01, 0xeb, 0xa6,
+	0x41, 0x27, 0xae, 0x13, 0x50, 0x5b, 0x3f, 0xd5, 0x2c, 0xfa, 0x98, 0x5a, 0x72, 0x8d, 0x6f, 0x1a,
+	0xbb, 0xdf, 0x5c, 0x26, 0xd7, 0xdb, 0x33, 0xbd, 0x43, 0xa6, 0xb6, 0xb7, 0xd1, 0x6e, 0x29, 0x47,
+	0xbd, 0xee, 0x40, 0xe9, 0x34, 0x3f, 0xd3, 0x8e, 0x3b, 0x3f, 0xed, 0x74, 0x3f, 0xe9, 0xa8, 0xc8,
+	0x9c, 0xa3, 0x7d, 0x8f, 0xcb, 0xbe, 0x07, 0x68, 0xde, 0x29, 0x7c, 0x11, 0x96, 0xb9, 0x85, 0x5e,
+	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,
+	0x78, 0xc3, 0xb9, 0x06, 0x2c, 0x4a, 0x76, 0x60, 0x0e, 0x4d, 0xea, 0x85, 0xef, 0x44, 0xe2, 0x1e,
+	0xb3, 0x36, 0xc3, 0xc5, 0x53, 0xd1, 0xbb, 0x80, 0x5d, 0xc7, 0x37, 0x03, 0xf3, 0x31, 0xd5, 0x4c,
+	0x3b, 0x7a, 0x54, 0x62, 0xf7, 0x9a, 0x9c, 0x8a, 0x22, 0x49, 0xdb, 0x0e, 0x62, 0xb6, 0x4d, 0x47,
+	0x64, 0x8e, 0xcd, 0x36, 0xf3, 0xac, 0x8a, 0x22, 0x49, 0xcc, 0xbe, 0x02, 0x15, 0xc3, 0x99, 0xb2,
+	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.