@ashfurrow => Allow clicking around to all View Controllers in Bid flow

Dev builds now have buttons along the bottom of most view controllers:

![screen shot 2014-09-24 at 14 53 20](https://cloud.githubusercontent.com/assets/49038/4389109/2f703730-43f2-11e4-92d2-7933ce7571bd.png)

This means we can jump around through the different screens. Every screen is represented though not every connection is.

* Updates the Gemfile to use the `1.0.0` version of SBConstants I released today.
* Updates the Makefile to work. Uses all the constants we'll need that I can think of so far. Fixes #45