Direct editing API to allow file editing using a one-time token for

apps/files/appinfo/info.xml

apps/files/appinfo/routes.php

apps/files/composer/composer/autoload_classmap.php

apps/files/composer/composer/autoload_static.php

apps/files/lib/Controller/DirectEditingController.php

apps/files/lib/Controller/DirectEditingViewController.php

core/Migrations/Version18000Date20191014105105.php

core/routes.php

lib/composer/composer/autoload_classmap.php

lib/composer/composer/autoload_static.php

lib/private/DirectEditing/Manager.php

lib/private/DirectEditing/Token.php

lib/private/Server.php

lib/public/DirectEditing/ACreateEmpty.php

lib/public/DirectEditing/ACreateFromTemplate.php

lib/public/DirectEditing/ATemplate.php

lib/public/DirectEditing/IEditor.php

lib/public/DirectEditing/IManager.php

lib/public/DirectEditing/IToken.php

lib/public/DirectEditing/RegisterDirectEditorEvent.php