Added Icons, and reorganization of graphics folder.

I've added icons so users can have the os icons and identify between .styl files and .css or .min.css

![1-15-2014 11-31-22 am](https://f.cloud.github.com/assets/332079/1923902/aaf502fc-7e1b-11e3-9daf-96c43685371a.png)

Greetings.