Separated OpenstackInterface feature from OpenstackNetworking application.

Change-Id: I4766de7e93c5b432c50a2167b9a9d9d4605b1ad2
diff --git a/apps/pom.xml b/apps/pom.xml
index 0aa0716..34fdee0 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -68,6 +68,7 @@
         <module>vpls</module>
         <module>openstacknode</module>
         <module>openstacknetworking</module>
+        <module>openstackinterface</module>
   </modules>
 
     <properties>