Mavlink terrain protocol support

Only check latest stable firmware one time

Fix placement of _sendNextQueuedMavCommand

Remove BatteryFactGroup::cellCount support

Handle unreliable PX4 support of BATTERY_STATUS

Change all internal values to double to NaN can be used from unavailable values

Switch to using BATTERY_STATUS for battery info

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

This was lost when moving the handling the the trajectory points from within the vehicle.

Allow plugin to add flight modes to joystick button actions

Remove qDebug

Fix distance sensor telemetry reading

64 bit fixes

ADSB server support provided through new ADSBVehicleManager implemenation

Fix crash caused by clear method not resetting internals correctly

Treat VHR_HUD.throttle as int16 for reverse throttle

Update tolerance

Fix flight timer

Better flight trajectory point algorithm

Plugin'ized follow me support

Enable ArduPilot motor testing

Fix/update offline vehicle capability bits and mavlink version