Change to point to kvshard3

Change-Id: I5205d18a4b2b286d04ab5f4e09b0960beaaaacad
Reviewed-on: http://review.couchbase.org/26140
Reviewed-by: abhinav dangeti <abhinav.dangeti@gmail.com>
Tested-by: abhinav dangeti <abhinav.dangeti@gmail.com>