Adds the home page

* Use slim templates
* Swiper via rails-assets

![screen shot 2014-10-16 at 12 48 42 am](https://cloud.githubusercontent.com/assets/1406554/4657726/cbb90348-54ef-11e4-9b5c-79d8f73235e8.png)
![screen shot 2014-10-16 at 12 48 47 am](https://cloud.githubusercontent.com/assets/1406554/4657729/cf003e90-54ef-11e4-8caf-e30d105cfc6d.png)

![screen shot 2014-10-16 at 12 48 53 am](https://cloud.githubusercontent.com/assets/1406554/4657730/d4aedce8-54ef-11e4-8923-e7639e1828b7.png)

s/wil/will