Universal analytics

* Show a hits summary and errors, archives and redirects across all sites
* Highlight which URLs are performing the worst
* Help identify and fix mapping problems

![screen shot 2014-04-15 at 16 49 08](https://cloud.githubusercontent.com/assets/319055/2730907/234b7242-c622-11e3-94e6-060ccefa428a.png)
![screen shot 2014-04-15 at 16 48 37](https://cloud.githubusercontent.com/assets/319055/2730909/234ba2f8-c622-11e3-9c4e-67424899b6d9.png)
![screen shot 2014-04-15 at 16 48 17](https://cloud.githubusercontent.com/assets/319055/2730908/234b9aa6-c622-11e3-84fb-743cbeb6262a.png)