Add missing application titles in app.xml with pom.xml clean up

Change-Id: I543572d696f30f2ceebd39d9c6c33be55f5da38d
diff --git a/apps/vtn/app/app.xml b/apps/vtn/app/app.xml
index fb3b84d..b74c585 100644
--- a/apps/vtn/app/app.xml
+++ b/apps/vtn/app/app.xml
@@ -15,7 +15,7 @@
   ~ limitations under the License.
   -->
 <app name="org.onosproject.vtn" origin="ON.Lab" version="${project.version}"
-     category="default" url="http://onosproject.org"
+     category="default" url="http://onosproject.org" title="ONOS Framework App"
      featuresRepo="mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features"
      features="${project.artifactId}">
     <description>${project.description}</description>