Add rebuild_test_app task
Rename a test
Introduce Capybara
Write tests
Add authentication to users controller
Fix define_load_from_token_with_error_method_for
Fix confirmable and related generators
Make rebuild_test_app task use --no-migration

option by default and add migration option to invoke
generators with --migration
Make generators work even when no-migration is set
Fix recoverable
Fix lockable
Fix rememberable

When a request came before loading app, warden raised an exception.
When defining default strategies, we must make sure the strategy is added
to Warden::Strategies.
Fix omniauthable