More work on vehicle connect state machine(s)

New initial connect state machine which supports COMPONENT_INFORMATION

Initial support for global plan-wide altitude mode setting

Remove mutex from Vehicle::sendMessageOnLinkThreadSafe.

LinkInterface and Vehicle uses mutexes to synchronize writing bytes to the link instead of queued signals

Rework handling of fw/vehicle type with respect to conflicts with actual vehicle types.

Also fixed custom build

Re-architect toolbar for better customization capabilities. Also use less real estate.

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

Set RC To Param support

Add support for chunked STATUSTEXT

Remove unused HIL code

Give up on getting AUTOPILOT_VERSION based on time now retry count.

Added correct handling of mavlink 2 change based on capability bits

Mavlink terrain protocol support

Only check latest stable firmware one time

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

Remove BatteryFactGroup::cellCount support

Handle unreliable PX4 support of BATTERY_STATUS

Switch to using BATTERY_STATUS for battery info

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

Fix distance sensor telemetry reading

ADSB server support provided through new ADSBVehicleManager implemenation

Fix flight timer

Better flight trajectory point algorithm

Plugin'ized follow me support

Enable ArduPilot motor testing