* Update instructions and readmes
* Cleanup in base files
* Cleanup in core files
* Cleanup in gui files
* Cleanup in dialog files
* Cleanup in tools files
* Cleanup in test files
* Change the way logger messages are generated by using the printf-like method
* Use single quotes around log values that can be empty strings
* Fix bug in log message
* add translator's name in about dialog
* add new CN.ts
* Update nw_zh_CN.ts
* inital version (CN)
* add project_zh_CN.json
* Update project_zh_CN.json
* Revert changes to otherlanguage files
* Change case of first character in 'novelWriter' in Chinese translation
* Update about.py
Change the entry "Simplified Chinese" from English the local name of the language
Co-authored-by: Veronica Berglyd Olsen <1619840+vkbo@users.noreply.github.com>