Early bird sold out

This marks the early bird pricing as sold out:

![image](https://f.cloud.github.com/assets/153/2060482/bbcf6856-8c1c-11e3-95cb-4b40a77a6698.png)

As well as the first news post announcing they've sold out, asking for more speaker proposals, and including a promo for sponsorship. I've also made various improvements to the overall styles.

![early bird sold out](https://f.cloud.github.com/assets/153/2060494/09e56404-8c1e-11e3-8960-13eece6e119a.png)

@xzyfer could you advise the CFP number so I can update that? Be good to push this out in the morning @benschwarz.