CBQE-2504: added fix after commit http://review.couchbase.org/43635 to separate stop and start command on windows

Change-Id: Ic8268d4a4b70424e01fdd92ee0fbdfa1f78e698d
Reviewed-on: http://review.couchbase.org/43665
Reviewed-by: Sangharsh Agarwal <sangharsh.agarwal@globallogic.com>
Tested-by: Sangharsh Agarwal <sangharsh.agarwal@globallogic.com>