Tidy up Repo, fixing Grunt tasks, and adding editor config

Just some housekeeping here.  Thought I'd help out.

Perviously, you would have to compile coffeescript; now I figure just include the compiled JS files, and tasks run fine:

![image](https://cloud.githubusercontent.com/assets/1750837/4965889/54978fb8-679c-11e4-8f16-1f9945d49870.png)