Squashed commit of the following:

commit 41d2a42c23c6d4826ed200bb91daed86c22a856a
Author: RashmiDR <rashmi@datatorrent.com>
Date:   Fri Jun 6 18:14:09 2014 -0700

    making feedMultiplier RW, fixes SPOI-2538
Merge pull request #939 from RashmiDR/twitterDemoFeedMultiplierRW_pull

Twitter demo feed multiplier rw pull