Move patchpanel app to onos-app-samples

Change-Id: I5d96655cf0447dcbaf307e6b901d7dea745d476b
diff --git a/pom.xml b/pom.xml
index 9547722..aae10b6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,6 +46,7 @@
         <module>mef-nrp-api</module>
         <module>mef-sca-api</module>
         <module>icona</module>
+        <module>patchpanel</module>
     </modules>
 
 </project>