@ashfurrow => show the fulfillment modally

![selfie-0](http://i.imgur.com/D6smW7c.gif)

Nothing major, but lots of foundational stuff in here. UIViewController testing, a simple unit test. Snapshots of real views. Using he default presentation modes for the minute.

Uses [Rainforest CocoaPod](https://github.com/CocoaPods/Rainforest), due to bridging header issues in Tests. Not updated docs to show this yet.