fixes stylus issues
stylus fixes
restarting highlight grind
formatting fixes
added more library components
Merge pull request #105 from shanswami/develop

Develop
adds in undo button
adds in save tree in main app and RR directive
adds in base for undo functionality
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