Fixes the rakefile

The Rakefile still contained all of the details to help run the tests.
We removed the tests because it was too difficult to stub all the
utlities we glue together, so this needed cleanup too.

Closes #37

LGTM given by: @codenamev

Squashed commit of the following:

commit 4e767ad71bef5a9ff522da78e61bc46489abd44c
Author: Nicholas Hance <nhance@reenhanced.com>
Date:   Fri Jul 12 09:16:53 2013 -0400

    Fixes the rakefile