Make a new toy-builder

Change-Id: Iec2e7e953d6223d837bb37d653bf8d4828c10834
Reviewed-on: http://review.couchbase.org/32867
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>