Warn when not using latest stable version of Ardupilot.

Add support for specifying fixed RTK base position

FirmwarePlugin: Issue a warning upon connecting if the firmware in use is not using a stable release

Enable/Disable based on fixed base position

9 digit precision for lat/lon

Fix meters to mm conversions

Fix typo

Update

Add support for specifying fixed RTK base position

Added support for qgcRebootRequired Fact meta data value.

Added support for qgcRebootRequired Fact meta data value.

Move ArduPilot preflight check handling to generic QGC

Updating Chinese localization

Fix critical check

House keeping

This is at best temporary until we get a properly functional SDK from Airmap.

Add box around map warnings text

PX4 prearm checks severity

Change to case insensitive compare

Add support for message DEBUG_FLOAT_ARRAY

Move ArduPilot preflight check handling to generic QGC

Mark daily build in change log

Mark daily build

Stable merge

Mark stable version in change log

Mark 3.4.4 as Stable

Stable desktop version check

Fix mobile builds

Custom build override for stable version check no longer needed