The HttpFoundation component holds classes that wrap PHP native global arrays.
The following classes has been moved:
* Symfony\Components\HttpKernel\Response -> Symfony\Components\HttpFoundation\Response
* Symfony\Components\HttpKernel\Request -> Symfony\Components\HttpFoundation\Request
* Symfony\Framework\FoundationBundle\User -> Symfony\Components\HttpFoundation\Session
* Symfony\Framework\FoundationBundle\Session\* -> Symfony\Components\HttpFoundation\SessionStorage\*Storage
The web:user DI configuration has been moved to kernel:session.
The user helper has been renamed to session.
