Enable building of vtn app

Change-Id: I426aa734fe8e84e393eaa96020b738497527e4bb
diff --git a/modules.bzl b/modules.bzl
index a8abd08..223c241 100644
--- a/modules.bzl
+++ b/modules.bzl
@@ -195,7 +195,7 @@
     "//apps/routing/fibinstaller:onos-apps-routing-fibinstaller-oar",
     "//apps/routing/cpr:onos-apps-routing-cpr-oar",
     "//apps/routing/fpm:onos-apps-routing-fpm-oar",
-    #"//apps/vtn:onos-apps-vtn-oar",
+    "//apps/vtn:onos-apps-vtn-oar",
     "//apps/faultmanagement:onos-apps-faultmanagement-oar",
     "//apps/openstacknode:onos-apps-openstacknode-oar",
     "//apps/openstacknetworking:onos-apps-openstacknetworking-oar",
@@ -290,10 +290,10 @@
     "//apps/fwd:onos-apps-fwd",
     "//apps/iptopology-api:onos-apps-iptopology-api",
     "//apps/routing/common:onos-apps-routing-common",
-    #"//apps/vtn/vtnrsc:onos-apps-vtn-vtnrsc",
-    #"//apps/vtn/sfcmgr:onos-apps-vtn-sfcmgr",
-    #"//apps/vtn/vtnmgr:onos-apps-vtn-vtnmgr",
-    #"//apps/vtn/vtnweb:onos-apps-vtn-vtnweb",
+    "//apps/vtn/vtnrsc:onos-apps-vtn-vtnrsc",
+    "//apps/vtn/sfcmgr:onos-apps-vtn-sfcmgr",
+    "//apps/vtn/vtnmgr:onos-apps-vtn-vtnmgr",
+    "//apps/vtn/vtnweb:onos-apps-vtn-vtnweb",
     "//apps/kafka-integration/api:onos-apps-kafka-integration-api",
     # "//apps/kafka-integration/app:onos-apps-kafka-integration-app",
 ]