CBQE-0: add new feature into cli messages

Change-Id: I872cc630b898d34e9e98c1515d45cbcbcc71d111
Reviewed-on: http://review.couchbase.org/28597
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>