Simplify the subtitles on the main page

Previously we had two subtitles that basically said the same thing. This removes one of them and cleans up the other.

![screen shot 2014-03-30 at 3 13 24 pm](https://cloud.githubusercontent.com/assets/27600/2562659/917b2ec4-b858-11e3-8b8c-760c6d1e7256.png)

![screen shot 2014-03-30 at 3 13 36 pm](https://cloud.githubusercontent.com/assets/27600/2562660/93a339ee-b858-11e3-84eb-f98669b82d9c.png)