Github: Description should be restricted to a single line.

Especially helpful for really long descriptions such as https://github.com/haseebalam/python-twitter-api.

![screen shot 2014-01-19 at 11 04 19 pm](https://f.cloud.github.com/assets/81969/1951637/fafc524a-8187-11e3-9ff2-b422e795c024.png)