Add rails_12factor for Heroku deployment
License in README title change
Reorder gems
Reinstall gems
Name the caches and use Redis for everything.
Add current & active scopes to Song, as well as validations
Change name of starter method to from_omniauth
Universal methods for finding the user
More idiomatic SessionsController
Add routes for helping controllers, build plays_controller
Remove ActiveAdmin code
Add beginnings of frontend and proper backend API additions.