Make now runs lint and any unit tests.

Also update vendored voltha-go to add new api updates

Change-Id: I08e11ae043b1db46fed4cc64fddc890a6729dedf
diff --git a/vendor/github.com/opencord/voltha-go/kafka/client.go b/vendor/github.com/opencord/voltha-go/kafka/client.go
index a4c49ca..3d37f6e 100644
--- a/vendor/github.com/opencord/voltha-go/kafka/client.go
+++ b/vendor/github.com/opencord/voltha-go/kafka/client.go
@@ -32,7 +32,7 @@
 
 const (
 	GroupIdKey = "groupId"
-	Offset = "offset"
+	Offset     = "offset"
 )
 
 const (