Cleaning up application titles, descriptions and categories.

Change-Id: I80f9770697cbf29b6bde2b20778c341b0f403d9f
diff --git a/apps/l3vpn/BUCK b/apps/l3vpn/BUCK
index a2dc294..1a59467 100644
--- a/apps/l3vpn/BUCK
+++ b/apps/l3vpn/BUCK
@@ -32,7 +32,7 @@
 
 onos_app(
     app_name = 'org.onosproject.l3vpn',
-    title = 'YANG L3VPN App',
+    title = 'YANG L3VPN',
     category = 'Traffic Steering',
     url = 'http://onosproject.org',
     description = 'L3VPN YANG Application',