Udate mikewied toy build to point to ret_meta branch

Change-Id: I06e34285e9d09b492dd22c0651b26c9ce8ae70ef
Reviewed-on: http://review.couchbase.org/26287
Reviewed-by: Michael Wiederhold <mike@couchbase.com>
Tested-by: Michael Wiederhold <mike@couchbase.com>