Update site design and make it so much better

Old design:

![thorax-old](https://f.cloud.github.com/assets/808159/833043/44bd2870-f289-11e2-970e-63e351e75b6d.png)

New design:

![thorax new](https://f.cloud.github.com/assets/808159/833044/4ab223b6-f289-11e2-860c-30f3ef892cfa.png)

Crispy! Tested on current Chrome, Safari, Opera, Firefox, IE10-8, Safari for iPad.

@eastridge