List of events

When I merged the latest changes, there were some issues in base.html (double `<html>` and `<head>` definitions) which I fixed, so it should be all good now.

Here's a screenshot of the events tabs. This design is subject to change, but it's good to start somewhere.

![screenshot from 2013-06-30 01 14 10](https://f.cloud.github.com/assets/544954/726921/66e3e356-e147-11e2-8403-d9d6183f9038.png)