[ONOS-2115]Create an application named vtn to apply configuration and
flows to ovsdb device.
1. Creates/drops vxlan tunnels and a ovs when a ovs controller node is
detected
2. Applies default forwarding flows when a ovs is detected
3. Applies tunnel flows and multicast flows when a VM is detected

Change-Id: I66d719eaaef364b197952c7b9d7f72c4b269c926
diff --git a/apps/pom.xml b/apps/pom.xml
index 7b64a1c..1191205 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -54,6 +54,7 @@
         <module>olt</module>
         <module>flowanalyzer</module>
         <module>vtnrsc</module>
+        <module>vtn</module>
     </modules>
 
     <properties>