Added sync and purge security group states

- Added list security groups CLI
- Removed unnecessary security group rule store

Change-Id: I62ac652e0af73c5f771f0caec87acd5dfe4abedd
diff --git a/apps/openstacknetworking/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/apps/openstacknetworking/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 16a8408..67ab56a 100644
--- a/apps/openstacknetworking/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/apps/openstacknetworking/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -33,5 +33,8 @@
         <command>
             <action class="org.onosproject.openstacknetworking.cli.OpenstackSyncStateCommand"/>
         </command>
+        <command>
+            <action class="org.onosproject.openstacknetworking.cli.OpenstackSecurityGroupListCommand"/>
+        </command>
     </command-bundle>
 </blueprint>