moving response classes over to OCP

lib/appframework/controller/controller.php

lib/appframework/http/dispatcher.php

lib/appframework/http/downloadresponse.php

lib/appframework/http/http.php

lib/appframework/http/redirectresponse.php

lib/appframework/middleware/middleware.php

lib/appframework/middleware/middlewaredispatcher.php

lib/appframework/middleware/security/securitymiddleware.php

lib/public/appframework/http/http.php

lib/public/appframework/http/jsonresponse.php

lib/public/appframework/http/response.php

lib/public/appframework/http/templateresponse.php