Squashed commit of the following:

commit 224e6de0a73feaff268af084e6ab48064336600b
Author: Pramod Immaneni <pramod@datatorrent.com>
Date:   Fri Oct 18 02:25:56 2013 -0700

    Changed stream name,

commit e78457f609939f139e10fa938a2a774cf107ebd0
Author: Pramod Immaneni <pramod@datatorrent.com>
Date:   Thu Oct 17 20:46:11 2013 -0700

    Changed names to be more meaningful. Fixes #164.