LICENSE update

LICENSE

classes/ClientAuthChecker.php

classes/ClientsLocator.php

classes/JWKSHandler.php

classes/OAuth2RequestHandler.php

classes/OIDCDiscoveryGenerator.php

classes/TokenBuilder.php

classes/TokenChecker.php

classes/TokenExchanger.php

classes/UserHandler.php

classes/X509Data.php

classes/datalayer/AccessTokenDAO.php

classes/datalayer/JWKSDAO.php

classes/datalayer/RefreshTokenDAO.php

classes/datalayer/UserDAO.php

classes/datalayer/mysql/BaseMySQLDAO.php

classes/datalayer/mysql/MySQLAccessTokenDAO.php

classes/datalayer/mysql/MySQLJWKSDAO.php

classes/datalayer/mysql/MySQLRefreshTokenDAO.php

classes/datalayer/mysql/MySQLUserDAO.php