Dashboard models

This PR depends on the django-cms PR
You can't really tell here, but when I look at the code locally, I see one tab indentation - should be 8 spaces (or two tabs converted to 4 spaces each).  

This issue is also on line 34, 44, and 45.

This is what I see:

![2014-07-01 at 7 29 pm](https://cloud.githubusercontent.com/assets/1191069/3450923/5adb4696-0188-11e4-8b1d-ff964f375c93.png)