* [git] ignore IDE setting, Meson subprojects
* [win_installer] rename *.mo -> *.gmo
* [win_installer] only add aeg translations
* [win_installer] split aeg/wx translations
* [win_installer] gen & pack translations
* [git] ignore hunspell source dir
* [git] ignore uchardet source dir
* [test] Generate the test executable
run with `meson test`
* [test] add tools to remove test data files
`unset.bat FULL_PATH`
* [test] set to correct Error type
* [test] Set Source character sets to UTF-8 for MSVC
* [test] move test data files to build_root
* [git] remove IDE dir
* [git] ignore gtest subprojects
* [ci] run test in ci
* [meson/test] use more meaningful name
* [test] Add more comments and help msg