Add the 2.2.0 features conf file

Change-Id: Id2647d514b56ba6c8f20a75c98c098a6fd49b07b
Reviewed-on: http://review.couchbase.org/28327
Reviewed-by: Ketaki Gangal <ketakigangal@gmail.com>
Tested-by: Ketaki Gangal <ketakigangal@gmail.com>