added rspec gem for development and testing
generated rspec files
added better errors
added pry-rails and homepage controller
created the landing page, and how it works page and added devise gem
completed devise integration including action_mailer for pw recovery
added figaro gem
configured Figora
added omniauth-facebook to gemfile
added omniauth through devise, used Ryans rails cast #235 as reference
added omniauth through devise, used Ryans rails cast #235 as reference