Contributors List

:fork_and_knife: This styles up the contributors list and also adds a view for the CCLA contributors list complete with an expandable list of contributors per CCLA. Styles are pretty basic but I think we can gussy it up some more over time.

![screen shot 2014-02-17 at 11 57 31 am](https://f.cloud.github.com/assets/316507/2187341/9e275ba4-97f4-11e3-9f25-1d1b772ce720.png)

![screen shot 2014-02-17 at 11 58 18 am](https://f.cloud.github.com/assets/316507/2187346/aec0b6ae-97f4-11e3-8a47-51e3ce81b341.png)