CBQE-1188 add soft and hard restart on windows

Change-Id: If287a6d5ff0d8d07d88cce0158a31bf057740cc9
Reviewed-on: http://review.couchbase.org/27237
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Chisheng Hong <chisheng@couchbase.com>
Tested-by: Thuan Nguyen <soccon@gmail.com>