WIP: proxy NDP for IPv6.

ONOS-924

Need to implement test cases.

Change-Id: I86b0cb8c3c8d75f7276778e04c1a7166c9bb2f59
diff --git a/apps/pom.xml b/apps/pom.xml
index 851fa8b..ca64e5f 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -37,6 +37,7 @@
         <module>ifwd</module>
         <module>mobility</module>
         <module>proxyarp</module>
+        <module>proxyndp</module>
         <module>config</module>
         <module>sdnip</module>
         <module>calendar</module>