Fix xmpp project structure problem

+ error-prone bug fix

Change-Id: I5098f1052a3b287b0990959d4d9d83ab7477cdad
diff --git a/protocols/xmpp/pom.xml b/protocols/xmpp/pom.xml
index af048c52..1037027 100644
--- a/protocols/xmpp/pom.xml
+++ b/protocols/xmpp/pom.xml
@@ -9,11 +9,12 @@
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
-    <artifactId>onos-xmpp</artifactId>
+    <artifactId>onos-protocols-xmpp</artifactId>
     <description>ONOS XMPP Protocol subsystem</description>
+    <packaging>pom</packaging>
 
     <modules>
-        <module>onos-xmpp-core</module>
+        <module>core</module>
     </modules>
 
 
@@ -34,4 +35,4 @@
         </plugins>
     </build>
 
-</project>
\ No newline at end of file
+</project>