MB-8441: add rebalance config w/o views

Change-Id: I8e3925324f86c7178f72802b7aed242ec904d54e
Reviewed-on: http://review.couchbase.org/26965
Reviewed-by: Pavel Paulau <pavel.paulau@gmail.com>
Tested-by: Pavel Paulau <pavel.paulau@gmail.com>