Add initial translation files for Korean
Update translations for Korean (1266)
Update Korean translation (1401)
Update Korean translation (1418)
Update Korean translation (1544)
Update Korean translation (1558)
Update Korean translation (1615)
update Simplified Chinese translation for v2.47.
Update Korean translation (1680)
Merge pull request #2091 from mrahn80/translate_korean

New translation for Korean
Merge pull request #2089 from bygreencn/release/2.47

update Simplified Chinese translation for v2.47.