Feature/red yellow green

#### What's this PR do?
Adds Red / Yellow / Green to the heartbeat checkin

#### Any background context you want to provide?
We want to start reporting high level status.  This gives us that.

#### What are the relevant tickets?
https://sprint.ly/product/21477/item/17

#### Screenshots (if appropriate)
![xy08a4gncl](https://cloud.githubusercontent.com/assets/182615/4620268/f85c13fa-531d-11e4-95f6-00094459f762.gif)
![screen shot 2014-10-13 at 3 11 46 pm](https://cloud.githubusercontent.com/assets/182615/4620271/fbf3ec2c-531d-11e4-962c-6acc964c4f11.png)


#### Questions:
- Do migrations need to be ran? **Migrations do need to be ran**