Open Source Applications

Addresses sass/sass.github.com#28. 

I know its not as subtle as before, but that's part of the point. Keep alphabetical, and just be very clear and direct with the text on the status of the project.

![image](https://f.cloud.github.com/assets/111/1333837/3ad77caa-359d-11e3-85d1-d1a64eae654d.png)