Point to kvshard2, MRW17

Change-Id: Ic89e5192b54704cf66cd769ab30d31e6592381ff
Reviewed-on: http://review.couchbase.org/26148
Reviewed-by: abhinav dangeti <abhinav.dangeti@gmail.com>
Tested-by: abhinav dangeti <abhinav.dangeti@gmail.com>