Cleaning up application titles, descriptions and categories.

Change-Id: I80f9770697cbf29b6bde2b20778c341b0f403d9f
diff --git a/providers/null/BUCK b/providers/null/BUCK
index 440c4a8..8e43e3a 100644
--- a/providers/null/BUCK
+++ b/providers/null/BUCK
@@ -13,8 +13,11 @@
 )
 
 onos_app (
-    title = 'Null Southbound Provider',
-    category = 'Provider',
+    title = 'Null Provider Suite',
+    category = 'Test Utility',
     url = 'http://onosproject.org',
-    description = 'ONOS null southbound provider.',
+    description = 'Suite of device, link, host, flow and packet providers that allow the operator ' +
+        'to test ONOS against completely fictional network topology. This is useful for conducting ' +
+        'ONOS core performance tests and for developing features that require only control plane ' +
+        '- and not data plane - functionality. ',
 )