Make about buttons sit on the same baseline

Using the might of flexbox, the about section buttons sit on the same baseline. :boom:

Screenshot:
![screen shot 2014-02-28 at 3 43 53 pm](https://f.cloud.github.com/assets/808159/2299682/4d3ed528-a0d2-11e3-8524-d65191c64008.png)

/cc @eastridge