VOL-595 - container image name consistency and general cleanup

Change-Id: Iccac1ccba61537cefa046118df139196e9e87713
diff --git a/compose/docker-compose-system-test-encrypted.yml b/compose/docker-compose-system-test-encrypted.yml
index 7973dd7..aff19ca 100644
--- a/compose/docker-compose-system-test-encrypted.yml
+++ b/compose/docker-compose-system-test-encrypted.yml
@@ -4,7 +4,7 @@
   # Single-node zookeeper service
   #
   zookeeper:
-    image: wurstmeister/zookeeper
+    image: "${REGISTRY}wurstmeister/zookeeper:${ZK_TAG:-latest}"
     ports:
     - 2181
     environment:
@@ -13,7 +13,7 @@
   # Single-node kafka service
   #
   kafka:
-    image: wurstmeister/kafka
+    image: "${REGISTRY}wurstmeister/kafka:${KAFKA_TAG:-latest}"
     ports:
      - 9092
     environment:
@@ -30,7 +30,7 @@
   # Single-node consul agent
   #
   consul:
-    image: voltha/consul
+    image: "${REGISTRY}voltha/consul:${CONSUL_TAG:-0.9.2}"
     command: agent -server -bootstrap -client 0.0.0.0 -ui
     ports:
     - "8300:8300"
@@ -46,7 +46,7 @@
   # Registrator
   #
   registrator:
-    image: voltha/registrator
+    image: "${REGISTRY}gliderlabs/registrator:${REGISTRATOR_TAG:-latest}"
     command: [
       "-ip=${DOCKER_HOST_IP}",
       "-retry-attempts", "100",
@@ -66,7 +66,7 @@
   # Fluentd log server
   #
   fluentd:
-    image: fluent/fluentd
+    image: "${REGISTRY}voltha/fluentd:${TAG:-latest}"
     ports:
     - "24224:24224"
     volumes:
@@ -79,7 +79,7 @@
   # (demo place-holder for external KPI system)
   #
   grafana:
-    image: voltha/grafana
+    image: "${REGISTRY}voltha/grafana:${TAG:-latest}"
     ports:
     - "8882:80"
     - "2003:2003"
@@ -98,7 +98,7 @@
   # Shovel (Kafka-graphite-gateway)
   #
   shovel:
-    image: cord/shovel
+    image: "${REGISTRY}voltha/shovel:${TAG:-latest}"
     command: [
       "/shovel/shovel/main.py",
       "--kafka=@kafka",
@@ -116,7 +116,7 @@
   # Voltha server instance(s)
   #
   voltha:
-    image: cord/voltha
+    image: "${REGISTRY}voltha/voltha:${TAG:-latest}"
     command: [
       "/voltha/voltha/main.py",
       "-v",
@@ -154,8 +154,8 @@
   #
   # Voltha cli container
   #
-  vcli:
-    image: cord/vcli
+  cli:
+    image: "${REGISTRY}voltha/cli:${TAG:-latest}"
     command: [
       "/cli/cli/setup.sh",
       "-L"
@@ -175,7 +175,7 @@
   # ofagent server instance
   #
   ofagent:
-    image: cord/ofagent
+    image: "${REGISTRY}voltha/ofagent:${TAG:-latest}"
     command: [
       "/ofagent/ofagent/main.py",
       "-v",
@@ -200,7 +200,7 @@
   # Netconf server instance(s)
   #
   netconf:
-    image: cord/netconf
+    image: "${REGISTRY}voltha/netconf:${TAG:-latest}"
     privileged: true
     command: [
       "/netconf/netconf/main.py",
@@ -228,7 +228,7 @@
   # Dashboard daemon
   #
   dashd:
-    image: cord/dashd
+    image: "${REGISTRY}voltha/dashd:${TAG:-latest}"
     command: [
       "/dashd/dashd/main.py",
       "--kafka=@kafka",
@@ -247,7 +247,7 @@
   # Nginx service consolidation
   #
   nginx:
-    image: voltha/nginx
+    image: "${REGISTRY}voltha/nginx:${TAG:-latest}"
     ports:
     - "80:80"
     environment:
@@ -267,7 +267,7 @@
   # Docker ui
   #
   portainer:
-    image: voltha/portainer
+    image: "${REGISTRY}voltha/portainer:${TAG:-latest}"
     ports:
     - "9000:9000"
     environment: