Rails 4.0.0.beta1 bundle update
add protected_attributes gem, to fix attr_protected RuntimeError in PlansController#index
    add ruby 2.0.0 to Gemfile (for heroku)
set Gemfile :production group to work with Heroku (bundle install --without production)
don't include sqlite in production environments (for Heroku)
add .gitignore & .rvmrc
comment out some DEPRECATION from config/environments/*
add thin to Gemfile