adding args to git cleanup

Squashed commit of the following:

commit 71ad0951d13f7818d2ac832a0ee4a9e208d01083
Author: Matthew Chase Whittemore <matthew@socialtables.com>
Date:   Mon Apr 14 04:26:24 2014 -0400

    package bump

commit 3537c1b9f7927ca16e14d61f92a8bf58bb1890fa
Merge: b03cefa 6a3c45d
Author: Rohit Kalkur <rovolution@users.noreply.github.com>
Date:   Fri Apr 11 10:28:42 2014 -0400

    Merge pull request #1 from mcwhittemore/master

    Adding arg options for `git cleanup`