CBQE-1378 Add cli-tools job for MAC

Change-Id: I776ed13f00239bbb9c145ce99cd933efcdb0132a
Reviewed-on: http://review.couchbase.org/27751
Reviewed-by: Chisheng Hong <chisheng@couchbase.com>
Tested-by: Chisheng Hong <chisheng@couchbase.com>