Overlord

I tried to address all comments and feedback from last code review by Joe.
I installed the selenium-driver for capybara and refactored views to invoke actions directly from javascript.
I separated test features into logical buckets and paid attention to happy/sad/error order.
lines 14-15 are a duplicate of the entire `Given /I create a bomb with default codes/` method. you can use the [`step` method](https://github.com/cucumber/cucumber/wiki/Calling-Steps-from-Step-Definitions), or abstract the bomb creation into a helper method