[tx-robot] updated from transifex

apps/files_encryption/l10n/de_DE.php

apps/files_encryption/l10n/it.php

apps/files_encryption/l10n/ru.php

apps/files_encryption/l10n/sv.php

apps/files_external/l10n/ko.php

apps/files_versions/l10n/ko.php

apps/user_ldap/l10n/ru.php

apps/user_webdavauth/l10n/de_DE.php

core/l10n/ca.php

core/l10n/cs_CZ.php

core/l10n/de_DE.php

core/l10n/es.php

core/l10n/fr.php

core/l10n/gl.php

core/l10n/hu_HU.php

core/l10n/it.php

core/l10n/ja_JP.php

core/l10n/ru.php

core/l10n/sv.php

l10n/af_ZA/core.po