Initial custom intex.html

We should say who we are and what we are doing on the main page.

This is the first attempt to customize the main page.

![screen shot 2014-03-24 at 18 29 22](https://f.cloud.github.com/assets/885751/2503448/6350d1a0-b382-11e3-9c94-fafef218e1c8.png)