Streamlined the installation controllers

Modules define {acl,roles,configuration}.config.php, which will be installed
when the install controller is called upon.
Subclasses of InstallController can declare preInstall and postInstall. Both
functions return void and allow for other installation actions to be taken.
seems like the QuizBundle escaped my attention
Merge branch 'dev-install'

Conflicts:
	module/CudiBundle/Controller/Admin/InstallController.php