VOL-1460 Updated core to use voltha-protos instead of local protos
Moved protos to python directory in order to maintain functionaly of containers built there.
Added capability to do local builds of protos
Added instructions on running dep ensure for getting protos.
Updated github.com/golang/protobuf version to v1.3.1

Change-Id: Ia6ef55f07f0d5dcb5b750d7c37b21b71db85bfc4
diff --git a/vendor/github.com/Shopify/sarama/acl_bindings.go b/vendor/github.com/Shopify/sarama/acl_bindings.go
index 5151735..b91c282 100644
--- a/vendor/github.com/Shopify/sarama/acl_bindings.go
+++ b/vendor/github.com/Shopify/sarama/acl_bindings.go
@@ -1,17 +1,26 @@
 package sarama
 
 type Resource struct {
-	ResourceType AclResourceType
-	ResourceName string
+	ResourceType       AclResourceType
+	ResourceName       string
+	ResoucePatternType AclResourcePatternType
 }
 
-func (r *Resource) encode(pe packetEncoder) error {
+func (r *Resource) encode(pe packetEncoder, version int16) error {
 	pe.putInt8(int8(r.ResourceType))
 
 	if err := pe.putString(r.ResourceName); err != nil {
 		return err
 	}
 
+	if version == 1 {
+		if r.ResoucePatternType == AclPatternUnknown {
+			Logger.Print("Cannot encode an unknown resource pattern type, using Literal instead")
+			r.ResoucePatternType = AclPatternLiteral
+		}
+		pe.putInt8(int8(r.ResoucePatternType))
+	}
+
 	return nil
 }
 
@@ -25,6 +34,13 @@
 	if r.ResourceName, err = pd.getString(); err != nil {
 		return err
 	}
+	if version == 1 {
+		pattern, err := pd.getInt8()
+		if err != nil {
+			return err
+		}
+		r.ResoucePatternType = AclResourcePatternType(pattern)
+	}
 
 	return nil
 }
@@ -80,8 +96,8 @@
 	Acls []*Acl
 }
 
-func (r *ResourceAcls) encode(pe packetEncoder) error {
-	if err := r.Resource.encode(pe); err != nil {
+func (r *ResourceAcls) encode(pe packetEncoder, version int16) error {
+	if err := r.Resource.encode(pe, version); err != nil {
 		return err
 	}