Update Cours
Merge branch 'master' of https://github.com/MaxenceBures/Symfony

Conflicts:
	app/cache/dev/appDevDebugProjectContainer.php.meta
	app/cache/dev/appDevUrlGenerator.php
	app/cache/dev/appDevUrlGenerator.php.meta
	app/cache/dev/appDevUrlMatcher.php.meta
	app/cache/dev/profiler/index.csv
	app/logs/dev.log
b,;