VOL-595 - container image name consistency and general cleanup

Change-Id: Iccac1ccba61537cefa046118df139196e9e87713
diff --git a/compose/docker-compose-netopeer.yml b/compose/docker-compose-netopeer.yml
index 6ed9953..df00ec4 100755
--- a/compose/docker-compose-netopeer.yml
+++ b/compose/docker-compose-netopeer.yml
@@ -1,6 +1,6 @@
 version: '2'
 services:
   netopeer:
-    image: cord/netopeer
+    image: "${REGISTRY}voltha/netopeer:${TAG:-latest}"
     ports:
       - "1830:830"