Dashboard UI tweaks

Moved the `configure` wrench to the far right, so that it doesn't distract from the actual workflow of deploy/retest. Makes the interface cleaner, and easier to find the configure icon. I keep hitting other icons by accident.  

![screen shot 2014-04-14 at 1 26 56 pm](https://cloud.githubusercontent.com/assets/34726/2698405/0635592c-c3fa-11e3-8b1d-ec0f8fab6d86.png)