Merge remote-tracking branch 'refs/remotes/upstream/master'

apps/files/appinfo/app.php

apps/files/appinfo/remote.php

apps/files/css/files.css

apps/files/index.php

apps/files/l10n/cs_CZ.php

apps/files/l10n/de.php

apps/files/l10n/de_DE.php

apps/files/l10n/it.php

apps/files/templates/part.breadcrumb.php

apps/files_trashbin/js/trash.js

apps/files_trashbin/l10n/ar.php

apps/files_trashbin/l10n/bg_BG.php

apps/files_trashbin/l10n/bn_BD.php

apps/files_trashbin/l10n/ca.php

apps/files_trashbin/l10n/cs_CZ.php

apps/files_trashbin/l10n/da.php

apps/files_trashbin/l10n/de.php

apps/files_trashbin/l10n/de_DE.php

apps/files_trashbin/l10n/el.php

apps/files_trashbin/l10n/eo.php