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_describe_request.go b/vendor/github.com/Shopify/sarama/acl_describe_request.go
index 02a5a1f..3c95320 100644
--- a/vendor/github.com/Shopify/sarama/acl_describe_request.go
+++ b/vendor/github.com/Shopify/sarama/acl_describe_request.go
@@ -1,14 +1,18 @@
 package sarama
 
 type DescribeAclsRequest struct {
+	Version int
 	AclFilter
 }
 
 func (d *DescribeAclsRequest) encode(pe packetEncoder) error {
+	d.AclFilter.Version = d.Version
 	return d.AclFilter.encode(pe)
 }
 
 func (d *DescribeAclsRequest) decode(pd packetDecoder, version int16) (err error) {
+	d.Version = int(version)
+	d.AclFilter.Version = int(version)
 	return d.AclFilter.decode(pd, version)
 }
 
@@ -17,9 +21,14 @@
 }
 
 func (d *DescribeAclsRequest) version() int16 {
-	return 0
+	return int16(d.Version)
 }
 
 func (d *DescribeAclsRequest) requiredVersion() KafkaVersion {
-	return V0_11_0_0
+	switch d.Version {
+	case 1:
+		return V2_0_0_0
+	default:
+		return V0_11_0_0
+	}
 }