Feature/teams card

Adds functionality to teams card

Features:
You can now add and delete teams. 
For now, changes are reported in the console (when a model is created you will see the object returned by the api, when you delete a model, you will see a message similar to "[Model] [id] was destroyed"

![screen shot 2014-08-20 at 4 04 40 pm](https://cloud.githubusercontent.com/assets/5631435/3987389/40c1db00-28a5-11e4-81f5-c406ada1437d.png)