Make next event much more prominent

For people like me who don’t actually read anything, and find themselves looking here for the next event:
![screen shot 2014-05-14 at 10 52 30](https://cloud.githubusercontent.com/assets/464193/2969489/f6f34cba-db4d-11e3-935b-d78a9adf9eff.png)

Maybe a big heading will help?