[tx-robot] updated from transifex

apps/files/l10n/it.php

apps/files/l10n/pl.php

core/l10n/da.php

core/l10n/nb_NO.php

l10n/da/core.po

l10n/it/files.po

l10n/nb_NO/core.po

l10n/pl/files.po

l10n/pl/settings.po

l10n/templates/core.pot

l10n/templates/files.pot

l10n/templates/files_encryption.pot

l10n/templates/files_external.pot

l10n/templates/files_sharing.pot

l10n/templates/files_trashbin.pot

l10n/templates/files_versions.pot

l10n/templates/lib.pot

l10n/templates/private.pot

l10n/templates/settings.pot

l10n/templates/user_ldap.pot