Fixing formatting, sphinx errors, warnings, spellings in salt.states.dockerio.running

This PR fixes the formatting issues, syntax issues, spellings, sphinx warnings and errors in ``salt.states.dockerio``. See the attached screenshot for how it looked:

![screen shot 2014-09-24 at 12 41 28 pm](https://cloud.githubusercontent.com/assets/3374962/4392383/debe01e8-440d-11e4-8747-9d6ef4e614ab.png)