Merge pull request #106 from TessMyers/develop

adds in base for undo functionality
adds octocat, removes ribbon.
styles octocat properly
Merge pull request #107 from shanswami/develop

Adds octocat and removes ribbon
(refactor) cleaning up work mouseup in railroad directive
Merge pull request #108 from darkstar21/develop

(refactor) cleans up work mouseup in railroad directive
fixed question mark display issues
cleaned up html & css
Merge pull request #110 from tgrrtt/develop

Cleaned up css & html
implemented undo button
Merge pull request #111 from tgrrtt/develop

implemented undo button
adds links to names and images in About Us, portects inner div
adds expanding feature to 'how it works' sidebar
adds 'how it works' informative text
adds and styles info text, needs a little TLC