4.2.0.0
Update CHANGES and bump version
replace geosite url due to upstream change
Tweak debug message out levels
use single method to get ExecutablePath
fully switch to Geosite
Update UserAgent
Code refactoring: Notification tray icon
Merge pull request #2904 from studentmain/always-sip002
use CommandLineParser to parse command line
Update nuget
Update the nuget configurations and packages
go back to mutex based single instance for better reliability
Refine LogViewerConfig. Don't store window size in main settings file
Upgrade to .NET Framework 4.6.2
Upgrade the .Net Framework and Visual Studio version
Turn off per-monitor DPI awareness as it is not supported
refactor named pipe IPC
update icon