Updated LAV Filters to 0.60.1-27-d5e7cf2 (custom build based on 0.60.1-22-b8a8b83)

Important changes:
 - Updated ffmpeg library and QuickSync decoder.
 - LAV Audio: Improve error recovery on slightly corrupted audio streams.
 - LAV Video: Fix a rare crash that could occur for high resolutions.
 - Support BT.2020 colormatrix.
Update translations from Transifex:

 - Czech
 - Galician
 - Swedish
Language menu: Ensure "Language" always appears in English in menu entry.

If "Language" doesn't appear in the translated string, "(Language)" will be appended automatically.
Language menu: Use submenus to group language names starting with the same character.
Update translations from Transifex:

 - Greek.