Update .gitignore.
more minor performance fixes
Merge branch 'master' of https://github.com/SubtitleEdit/subtitleedit
Updated Chinese language file - thx Leon :)
minor perf fix
installer: Include Slovenian translation.

Also, be consistent with the language names.
SE 3.4.2
About dialog "build 0" changed to just hash
Merge branch 'master' into build