adds scripts to package.json, .gitignores npm-debug.log
(add) adds in Shan's index and styles, incorporates stylus
(refactor) replaces multiple controllers with one, converts old controllers to directives, renames files
(add) adds railroad stub html, structure of  factory to create railroad
Merge pull request #18 from TessMyers/develop

adds railroad diagram files, converts controllers to directives, makes index pretty