New videos page

New home for videos:

![screen shot 2014-06-13 at 12 31 29](https://cloud.githubusercontent.com/assets/883598/3269495/7abd27a2-f2ee-11e3-905d-5a018e763ad6.png)

Can you just set `location.hash = 'scope.slug'` here? That way it'll work for browsers without `pushState`