Move quit callback to mainwindow.
Remove code already used in mainwindow.
Remove unused code.
Move imports to the top.
add icons for the vpn exit nodes
Remove unused code and move imports to the top.
Remove unused variables and reorder arg parsing.
Merge remote-tracking branch 'refs/remotes/kali/feature/vpn_exit_icon' into develop
Fold in changes and update relnotes
Merge branch 'release-0.5.2'
Use a more significative name for logger helper.
Merge remote-tracking branch 'refs/remotes/ivan/feature/cleanup-app-mainwindow' into develop
Improve how pinned providers are handled