Walkthrough

A walkthrough and homepage redesign.

![screen shot 2014-09-02 at 7 20 30 pm](https://cloud.githubusercontent.com/assets/58878/4128727/fccb4e92-3310-11e4-8997-0fc6eb36561b.png)

![screen shot 2014-09-02 at 7 20 34 pm](https://cloud.githubusercontent.com/assets/58878/4128726/fcc78816-3310-11e4-83f8-c018e9dff173.png)

![screen shot 2014-09-02 at 7 20 39 pm](https://cloud.githubusercontent.com/assets/58878/4128728/fcceb55a-3310-11e4-83c7-ca567ae6bd41.png)