Clean up profile page

:baby: :baby_symbol: steps.

- Make preference a button in the profile page
- Clean up org list/user list avatar styles
- Make some components reusable
- Clean up profile page, use 2 column so that the main content doesn't get pushed so far down

cc @andrew

![image](https://cloud.githubusercontent.com/assets/1153134/4931267/3d868c26-6575-11e4-8d81-072b67c01449.png)