Added whenever, faye and sidekiq.

Added the following gems:

  * whenever
  * faye
  * sidekiq
  * sinatra
  * slim

Modified the Procfile file to start faye and sidekiq.
Added better_errors and bullet

Added the following gems:

  * better_errors
  * binding_of_caller
  * bullet
  * ruby_gntp
  * rubocop

Now the new Rails app will:

  * Enable an interface to debug errors
  * Throw Growl notifications on wrong ActiveRecord associations
Added rspec, factory_girl, capybara and webrat

Added the following gems:

  * rspec
  * rspec-rails
  * factory_girl
  * ffaker
  * webrat
  * capybara
  * launchy
  * database_cleaner

Now the new Rails app will:

  * Create rspec-rails enabled tests
  * Create factory_girl model stubs
  * Create integration tests with Capybara

Also, the default rails generator is set to not produce test_unit
files.