VOL-381 add unum container to support ONOS cluster formation under swarm

Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/install/voltha-swarm-start.sh b/install/voltha-swarm-start.sh
index b33e797..beef643 100755
--- a/install/voltha-swarm-start.sh
+++ b/install/voltha-swarm-start.sh
@@ -38,6 +38,7 @@
 docker stack deploy -c ${voltha_base_dir}/compose/docker-compose-fluentd-agg-cluster.yml fluentd
 sleep 2
 docker stack deploy -c ${voltha_base_dir}/compose/docker-compose-fluentd-cluster.yml fluentd
+docker stack deploy -c ${voltha_base_dir}/compose/docker-compose-onos-swarm.yml onos
 docker stack deploy -c ${voltha_base_dir}/compose/docker-compose-voltha-swarm.yml vcore
 docker stack deploy -c ${voltha_base_dir}/compose/docker-compose-ofagent-swarm.yml ofagent
 docker stack deploy -c ${voltha_base_dir}/compose/docker-compose-envoy-swarm.yml voltha