Skeleton for INT demo app

Change-Id: I266b990cd72b411c7ac17dbabf697f3829c8a257
diff --git a/mwc.defs b/mwc.defs
index 586dfc3..94d2b407 100644
--- a/mwc.defs
+++ b/mwc.defs
@@ -7,6 +7,7 @@
     '//drivers/mellanox-pro:onos-drivers-mellanox-pro-oar',
     '//fpcagent/apps/fpcagent:onos-fpcagent-apps-fpcagent-oar',
     '//fpcagent/models/fpcagent:onos-fpcagent-models-fpcagent-oar',
+    '//apps/int-demo:onos-apps-int-demo',
 ]
 
 APPS = APPS + MWC_APPS