[LangCodeExpander] Update iso639-2 db.
[LangCodeExpander] Update iso639-1 db.
[LangInfo] Don't try to convert "original" to 3-letter code.
[LangCodeExpander] Add special mappings for missing 2-letter codes.
Merge pull request #3653 from ace20022/langCodes

[Fix] Languages codes: Reduce log messages
fix CUtil::GetMatchingSource() after 7260bcce93057497d290bdb928bf8c5cf5a0ad9e
changed: present with D3DPRESENT_DONOTWAIT to work around drivers busy spinning.
changed: allow passthrough of 44100 & 96000 samplerates
restore set/clear default in videos that was removed in d56759292456df5f2617
fixed: folder.jpg was being ignored by the MusicInfoScanner