use released devise_invitable, it's stable these days
Migrating to Ruby 1.9.3
Using Rake 0.8.7 and restored development/test gems
Using Ruby 2.0.0-p247 with rbenv
Fetch jQuery from googleapis instead of using plugin
add standard Rails 4 files/folders
ignore the whole 'log' folder
Rails 4 config files
RSpec wants American spelling these days
Remove rspec.task.  I don't use it
Update cucumber.rake for Rails 4
Rails 4 gems
Remove Rake from Rakefile
Update for latest Factory girl
Update migration for latest Devise
Fix migration: remove index before renaming
Use new scope format (passing a lambda)
Use new way of providing :order to has_many
Use new find_or_create_by
fix find_or_create_by