Add clear simple theme

Clear simple theme:
![2014-04-29 9 21 52](https://cloud.githubusercontent.com/assets/580229/2825874/4ab4fd0e-cf5e-11e3-811b-0e9d1b663e05.png)

Color options for mac os terminal: http://cl.ly/VFBg [petrgrishin.color.terminal]