Fix crash when setting battery options, change label text.
Update for better compat. with quatosTool.
Fix ESC32 connection issues (incorrect baud rate used);
Move serial window settings save/restore points from serial handler to configuration window.
Add support for new dual radio ports setup (preserves compat. with older fw versions).
Remove IMU calibration UI (moved to separate application);
Add external tools menu;
Kill any external process when exiting.
Remove log exporting UI (moved to separate application);
Add external tool entry for log export and still allow launching from log viewer.