adds devise to gemfile
adds files from rails g devise:install
adds base devise configuration
adds base route for devise for users
adds migration to add devise to users table
adds email field to create_with_omniauth method
removes unncessary comments and configuration, adds email field to user
adds migration to add sc id to a user
specifies :string for email field
updates schema to reflect new migrations
adds configs for omniauthing facebook and souncloud
removes uneccesary devise configuration, adds ommniauthable for facebook
tells devise which controller to use in callbacks
rewrites create_from_omniauth method so it finds or creates by
removes old create_with omniauth method, adds new_with_session method
adds route to log user out
adds omniauth callback controller for users
cleans up routes file
adds view for loggin in
restricts omniauth fb to v 1.4.1 and adds soundcloud omniauth