Bucket Priority text

Change-Id: I5c4508dd62e858f44a5e3337db9c9a9a823a97f0
Reviewed-on: http://review.couchbase.org/31466
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>