Fixed the home page and added GA events

Fixed the styles on the home page that broke when the Twitter Bootstrap disappeared from GitHub. I was also playing around with adding server-side GA events, so I went ahead and send that your way too. It's way more fun than it should be to watch the live traffic.

![5212f7522cdc30d7daa8aa89](https://f.cloud.github.com/assets/154992/991211/73d2a008-0955-11e3-9e97-f76ee8445982.png)