MB-8295: Make get_group_info available for dev views

Change-Id: I6e2664a255f744789446bfec00802626a3ccb84c
Reviewed-on: http://review.couchbase.org/26475
Reviewed-by: Fulu Li <fulu@couchbase.com>
Reviewed-by: Filipe David Borba Manana <fdmanana@gmail.com>
Tested-by: Filipe David Borba Manana <fdmanana@gmail.com>