[ONOS-3634] Enhance app to have a category, icon, URL and readme

This commmit enhances application to have category, icon, URL and
readme. The web GUI and CLI will be implemented in separate commits

Change-Id: Ib02716d7118cc617b24f196f2213ea1fe99a34be
diff --git a/apps/mlb/pom.xml b/apps/mlb/pom.xml
index d9dd5a6..a300b41 100644
--- a/apps/mlb/pom.xml
+++ b/apps/mlb/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright 2015 Open Networking Laboratory
+  ~ Copyright 2015-2016 Open Networking Laboratory
   ~
   ~ Licensed under the Apache License, Version 2.0 (the "License");
   ~ you may not use this file except in compliance with the License.
@@ -33,6 +33,10 @@
 
     <properties>
         <onos.app.name>org.onosproject.mlb</onos.app.name>
+        <onos.app.category>default</onos.app.category>
+        <onos.app.url>http://onosproject.org</onos.app.url>
+        <onos.app.readme>Application that balances mastership among nodes.
+        </onos.app.readme>
     </properties>
 
     <dependencies>