removing user model to make room for OAuth model
adding omniauth-facebook gem
adding initializer for omniauth and environment variables
fixing ENV variables
adding figaro and fixing duplication of pry-rails in gem file
installing figaro
destroying defunct models
adding new user model for omniauth and migrating
adding omniauth method to user.rb
adding routes for omniauth
adding comment to routes
adding sessions controller and private method to application controller
troubleshooting OAuth and adding sign in to home page
fixing merge conflicts with schema.rb