Refactors toy_robot_demo.rb
- Breaks up long methods such as 'initialize' and 'start'
- Fixes some indentation inconsistencies
- Updates rspec tests
Merge branch 'master' of https://github.com/arthurcavallari/toy-robot-demo

* 'master' of https://github.com/arthurcavallari/toy-robot-demo:
  Refactors toy_robot_demo.rb - Breaks up long methods such as 'initialize' and 'start' - Fixes some indentation inconsistencies