ActionController::Logger should include AbstractController::Logger and sort autoloads for easier readability.

controller_path is required by ActionView, so move it up to AbstractController and refactor AbstractController::Layouts.

	* Rename <framework>/rails.rb -> <framework>/railtie.rb
	* Rails::Plugin -> Rails::Railtie
	* Rails::Plugin::Vendored -> Rails::Plugin

Conflicts:
	actionmailer/lib/action_mailer/tmail_compat.rb

This reverts commit 7e8b7f46.

Conflicts:

	railties/lib/rails/plugin.rb

Fix up AR extension by using Railties module instead of Rails and requiring ControllerRuntime at initialization time instead of boot

Removes load path change from commit bb153f42.