Cleaning up app categories and default app origin to be "ONOS Community"

Change-Id: Ia01dffcbd2c4dcf615dd3af5e2f941a5d4beff42
diff --git a/apps/netconf/client/BUCK b/apps/netconf/client/BUCK
index 2f2960b..52a2a6a 100644
--- a/apps/netconf/client/BUCK
+++ b/apps/netconf/client/BUCK
@@ -21,7 +21,7 @@
 onos_app(
   app_name = 'org.onosproject.netconfsb',
   title = 'NETCONF Device Configuration',
-  category = 'Protocols',
+  category = 'Protocol',
   url = 'http://onosproject.org',
   description = 'Extension to allow ONOS to configure NETCONF devices.',
   required_apps = APPS,