[tx-robot] updated from transifex

apps/files/l10n/gl.php

apps/files/l10n/ru_RU.php

apps/files/l10n/sk_SK.php

apps/files/l10n/sv.php

apps/files_encryption/l10n/gl.php

apps/files_encryption/l10n/sk_SK.php

apps/files_external/l10n/sk_SK.php

apps/files_trashbin/l10n/gl.php

apps/files_trashbin/l10n/sk_SK.php

apps/files_trashbin/l10n/sv.php

apps/files_versions/l10n/sk_SK.php

apps/files_versions/l10n/sv.php

apps/user_ldap/l10n/sk_SK.php

apps/user_ldap/l10n/sv.php

apps/user_webdavauth/l10n/gl.php

core/l10n/sk_SK.php

core/l10n/sv.php

l10n/af_ZA/lib.po

l10n/af_ZA/settings.po

l10n/ar/lib.po