SimpleAuthenticator: added support for roles
test: fixed test
Http\Request: added getRawBody() [BC Break]

There are some cases in which stream php://input does not work as expected. See http://www.php.net/manual/en/wrappers.php.php for details.
Forms: calling parent::__construct() is not mandatory anymore
ComponentModel: calling monitor inside validateParent is not too late
DI: ServiceDefinition - setParameters doesn't turn off $autowired, setShared triggers E_USER_DEPRECATED and $shared removed [BC break]