CBQE-0 display IP of node when search for buckets.

Change-Id: I90c43723ed61b230c144145f47f38d322a1abab6
Reviewed-on: http://review.couchbase.org/43456
Tested-by: Thuan Nguyen <soccon@gmail.com>
Reviewed-by: Parag Agarwal <agarwal.parag@gmail.com>