This solves the issue where the video is lost for a few seconds  after
clicking record as the filesink attempts to preroll but doesn't have a valid buffer,
stalling the whole pipeline.

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

No camera commands for ArduPilot

BUGFIX: When scanning from the top the starting altitude shall be equal to the structure altitude.

Hack around ArduPilot problems with unsupported NaN in Loiter commands

Wildcard connect to all Hex boards

Grouped logging options within General Settings

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

Better specifications for ArduPilot ChibiOS and Holybro

Full support for ChibiOS flash, including PX4 flash on ChibiOS bootloader

ArduPilot: Flash bootloader support

Add new Manufacturer name fallback for ChibiOS

ArduPilot: Support flash bootloader

Clean up wasted space