Use openstack4j for OpenStack data model and rest client

Change-Id: I4eb52c3c82d847c442420d1287392fe9079bf699
diff --git a/features.xml b/features.xml
index 1425b03..7bd3c66 100644
--- a/features.xml
+++ b/features.xml
@@ -19,5 +19,6 @@
         <feature>onos-api</feature>
         <bundle>mvn:${project.groupId}/onos-app-cordvtn/${project.version}</bundle>
         <bundle>wrap:mvn:com.jcraft/jsch/0.1.53$Bundle-SymbolicName=jsch&amp;Bundle-Version=0.1.53</bundle>
+        <bundle>wrap:mvn:org.pacesys/openstack4j/2.11/jar/withdeps$Bundle-SymbolicName=openstack4j&amp;Bundle-Version=2.11</bundle>
     </feature>
 </features>