A few improvements to the admin dashboard

![1](https://f.cloud.github.com/assets/757230/142508/20131f0e-72f8-11e2-9a49-edee21a3b1fa.jpg)

Optimized for smaller screens:
![2](https://f.cloud.github.com/assets/757230/142510/220905da-72f8-11e2-9a7c-3614876d696a.jpg)