Rework terrain collision display to prevent false positives

Adding helicopter icon to Heli Setup (Ardupilot)

More Heli setup

Fix crash on usb connection

FW LandingPattern: Fix ability to adjust settings

ArduPilot: More work for new battery stuff

Fix broken Plan tools, fix broken orbit location

Comm lost fixes

ArduPilot voltage/amp calculators broken

Ardu pilot reboot

Make compass more visible in Outdoor theme

Better comm lost/regained text/speech

Turn "Sync" menu into a proper "File" menu

App settings distance units broken

No continue mission when disarmed

This is a partial workaround to testing using SITL where plane never lands

Fix _LAND altitude

ArduPilot: Fixup Power/Safety for new/missing params

Fix dragging issue for rally points