Styling for meta pages

OK, here's some decent styling for the meta pages. It's based off the guide site.

## Sitemap View
![sitemap_view](https://f.cloud.github.com/assets/313208/377361/2817cf44-a4a1-11e2-9975-ab0d5442fa2b.png)

## Config View
![config_view](https://f.cloud.github.com/assets/313208/377359/20882bac-a4a1-11e2-8199-9e4fb6db9d0e.png)

## Config View (extensions)
![extension_view](https://f.cloud.github.com/assets/313208/377360/24b50fe2-a4a1-11e2-8463-e8932e9af53a.png)