Merge branch 'master' into update-parent-storage-mtime

apps/files/js/file-upload.js

apps/files/lib/app.php

apps/files/tests/ajax_rename.php

apps/files_encryption/files/error.php

apps/files_encryption/hooks/hooks.php

apps/files_encryption/settings-admin.php

apps/files_external/3rdparty/php-opencloud/LICENSE

apps/files_external/3rdparty/php-opencloud/lib/Autoload.php

...rnal/3rdparty/php-opencloud/lib/OpenCloud/Common/Base.php

...rdparty/php-opencloud/lib/OpenCloud/Common/Collection.php

...-opencloud/lib/OpenCloud/Common/Exceptions/AsyncError.php

...ncloud/lib/OpenCloud/Common/Exceptions/AsyncHttpError.php

...oud/lib/OpenCloud/Common/Exceptions/AsyncTimeoutError.php

...ncloud/lib/OpenCloud/Common/Exceptions/AttributeError.php

...d/lib/OpenCloud/Common/Exceptions/AuthenticationError.php

...encloud/lib/OpenCloud/Common/Exceptions/BaseException.php

...hp-opencloud/lib/OpenCloud/Common/Exceptions/CdnError.php

...pencloud/lib/OpenCloud/Common/Exceptions/CdnHttpError.php

.../lib/OpenCloud/Common/Exceptions/CdnNotAvailableError.php

...opencloud/lib/OpenCloud/Common/Exceptions/CdnTtlError.php