Instead of trying to keep a vehicle type within the FirmwarePlugin instance, pass the vehicle to the function so it can query the type that way.

Fix parameter write broken by non-ArduPilot component changes

Clean up parameter meta data version methods to match spec

Handle ArduPilot strangeness with respect to components and mavlink spec for parameter messages

Update ArduPilot version to latest releases only

Rework ArduPilot Airfame setup page

Smart RTL support

Add FOLLOW flight mode

Work around quirkiness with ArduPilot and LOITER_* NaN handling on heading.

Hack around ArduPilot problems with unsupported NaN in Loiter commands

Copter 3.7 CH#_OPT -> RC#_OPTION name change