CBD-1461: Update restart script to start Debian Sherlock slave

Change-Id: Iaa2d5dad99136d5c7284b172a5c5eae3aec33061
Reviewed-on: http://review.couchbase.org/44177
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Tested-by: Chris Hillery <ceej@couchbase.com>