ONOS-3182 Starting on path visualization app.

Change-Id: Id9b074afb22599473b1849acc380fa189061e8bb
diff --git a/apps/pom.xml b/apps/pom.xml
index c72cf5a..4acba4c 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -59,6 +59,7 @@
         <module>pim</module>
         <module>mlb</module>
         <module>openstackswitching</module>
+        <module>pathpainter</module>
   </modules>
 
     <properties>