MB-100: start_stop_rebalance_in_out with max_verify param

Change-Id: I34e26597d396e998591183f96545fcde44e16fd0
Reviewed-on: http://review.couchbase.org/24970
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>