Footer branding requested by CI

Apparently we're supposed to have a logo in the footer of this sucker. Made it reasonably small and inoffensive. Branding guidelines don't seem to have a non-blue-on-white option unfortunately (would look great in grey).

![image](https://f.cloud.github.com/assets/4961726/1370349/18b3c77c-3a1c-11e3-83b8-69e6d7ca17a3.png)