JCBC-280 - Support for edit bucket functionality through cbc.

Change-Id: Ia96f7653630a16e9c922a00882ff7fc1c1c195e8
Reviewed-on: http://review.couchbase.org/26557
Reviewed-by: Michael Nitschinger <michael.nitschinger@couchbase.com>
Tested-by: Deepti Dawar <deepti.dawar@globallogic.com>