Merge pull request #1283 from nextcloud/us_files-ui-webdav-upload

apps/dav/appinfo/v1/publicwebdav.php

apps/dav/lib/Connector/Sabre/FilesPlugin.php

apps/dav/lib/Files/Sharing/FilesDropPlugin.php

apps/dav/tests/unit/Connector/Sabre/FilesPluginTest.php

apps/files/ajax/upload.php

apps/files/appinfo/routes.php

apps/files/js/app.js

apps/files/js/file-upload.js

apps/files/js/filelist.js

apps/files/js/files.js

apps/files/templates/list.php

apps/files/tests/js/fileUploadSpec.js

apps/files/tests/js/filelistSpec.js

apps/files_sharing/js/files_drop.js

apps/files_sharing/js/public.js

apps/files_sharing/tests/js/publicAppSpec.js

core/js/files/client.js

core/js/js.js

core/js/tests/specs/coreSpec.js

lib/private/Files/Storage/Wrapper/PermissionsMask.php