Updated couchstore toybuild with latest MWR

Change-Id: I4c565e69542a8155ebb641320632d8f7f453b60a
Reviewed-on: http://review.couchbase.org/25935
Reviewed-by: abhinav dangeti <abhinav.dangeti@gmail.com>
Tested-by: abhinav dangeti <abhinav.dangeti@gmail.com>