Color logo

To be considered after #627 if approved

Switching to Colored Logo
Loosing Logo Type
Adding Green to Save button (and site swatches)
Widening search bar (and removing necessity to grow)

![image](https://f.cloud.github.com/assets/592335/1230609/ca8ac6fc-27ee-11e3-9fa9-8c4966a2b6b3.png)