[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/providers/openflow/base/app.xml b/providers/openflow/base/app.xml
index 34e6b15..0720567 100644
--- a/providers/openflow/base/app.xml
+++ b/providers/openflow/base/app.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright 2014-2015 Open Networking Laboratory
+  ~ Copyright 2014-2016 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.
@@ -15,10 +15,11 @@
   ~ limitations under the License.
   -->
 <app name="org.onosproject.openflow-base" origin="ON.Lab" version="${project.version}"
+     category="default" url="http://onosproject.org"
      featuresRepo="mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features"
      features="${project.artifactId}">
     <description>${project.description}</description>
-
+    <readme>OpenFlow protocol southbound provider.</readme>
     <artifact>mvn:${project.groupId}/onos-of-api/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-of-ctl/${project.version}</artifact>
     <artifact>mvn:${project.groupId}/onos-drivers/${project.version}</artifact>