[ONOS-6137] Refactoring SecurityGroup features for stateful SONA

- Caches the security group information
- Supports seucrity group & rules update

Change-Id: Id7cdfb84e53e00aab49fbe736fb39e37492eeb61
diff --git a/apps/openstacknetworking/src/main/webapp/WEB-INF/web.xml b/apps/openstacknetworking/src/main/webapp/WEB-INF/web.xml
index 93e95f0..3f4ea91 100644
--- a/apps/openstacknetworking/src/main/webapp/WEB-INF/web.xml
+++ b/apps/openstacknetworking/src/main/webapp/WEB-INF/web.xml
@@ -30,7 +30,9 @@
                 org.onosproject.openstacknetworking.web.OpenstackNetworkWebResource,
                 org.onosproject.openstacknetworking.web.OpenstackSubnetWebResource,
                 org.onosproject.openstacknetworking.web.OpensatckRouterWebResource,
-                org.onosproject.openstacknetworking.web.OpenstackFloatingIpWebResource
+                org.onosproject.openstacknetworking.web.OpenstackFloatingIpWebResource,
+                org.onosproject.openstacknetworking.web.OpenstackSecurityGroupWebResource,
+                org.onosproject.openstacknetworking.web.OpenstackSecurityGroupRuleWebResource
             </param-value>
         </init-param>
         <load-on-startup>1</load-on-startup>