commit symfony 2.3
Merge branch '2.3' of https://github.com/gkorell/TodoCerdo into 2.3

Conflicts:
	app/AppKernel.php
	app/autoload.php
	app/config/config.yml
	app/config/parameters.yml.dist
	app/config/security.yml
	app/console
	bin/doctrine
	bin/doctrine.php
	composer.json
	composer.lock
	composer.phar
	web/app_dev.php