Change states to use short-dec style

These changes should be cosmetic only. Please double-check as they were largely automated.
This should be changed to ``require_in`` as per the documentation for ``salt.states.pkgrepo.managed`` at http://docs.saltstack.com/en/latest/ref/states/all/salt.states.pkgrepo.html#salt.states.pkgrepo.managed

![screen shot 2014-12-13 at 6 33 11 am](https://cloud.githubusercontent.com/assets/3374962/5423563/184024a6-8292-11e4-8744-2aa9d9c8fbb2.png)