Merge pull request #26 from TessMyers/develop

app actually useful. Takes a regex and displays railroad diagram
Merge pull request #27 from TessMyers/develop

gitignores compiled files
Merge pull request #28 from TessMyers/develop

(refactor) removes submit button, regex RR automatically updates
regex object now stored as scope value
railroad updates from stored scope regex object
(doc) improves documentation, fiddles with css