CBQE-1531: add groups to conf file

Change-Id: I95909afeb57fae7a573392500ca3400b3408207c
Reviewed-on: http://review.couchbase.org/29299
Reviewed-by: Ketaki Gangal <ketakigangal@gmail.com>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>