advertise n1ql service port in terse bucket info

Change-Id: I0f8c5b23efb51a01a9a691cda32fbacd261064a3
Reviewed-on: http://review.couchbase.org/41574
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Artem Stemkovski <artem@couchbase.com>