Squashed commit of the following:

commit 4b3a52070db5d4dba8293dadcdfd88ba85b6d0c8
Merge: aa078e2 61af07a
Author: RashmiDR <rashmi@datatorrent.com>
Date:   Mon Mar 17 14:57:02 2014 -0700

    Merge branch 'dt-0.9.4' of https://github.com/DataTorrent/Malhar into MLHR920renamingBenchmarkApps

commit aa078e2394b90b1f7d9018cfc7d4a0ef82bb34c5
Author: RashmiDR <rashmi@datatorrent.com>
Date:   Mon Mar 17 14:55:34 2014 -0700

    renaming benchmark apps, fixes #MLHR-920