[ONOS-5432] Add CLI for refresh/reprogram the data plane for the existing VM.

- Add CLI to purge flow rules installed by openstack apps.
- Add CLI to reinstall flow rules for the existing virtual instances.
- Remove CREATE_TIME from host annotation and revert to use host as a key of security group rule map.

Change-Id: Ie647e5a8c86e86deb8ff050ecf280527ad218eda
diff --git a/apps/openstacknetworking/pom.xml b/apps/openstacknetworking/pom.xml
index 4a0b9ef..c2e9706 100644
--- a/apps/openstacknetworking/pom.xml
+++ b/apps/openstacknetworking/pom.xml
@@ -31,6 +31,7 @@
     <modules>
         <module>api</module>
         <module>web</module>
+        <module>cli</module>
         <module>switching</module>
         <module>routing</module>
     </modules>