Use correct terminology for Altitude values

Turn on OSX builds

Move to pragma once

Create Helper functions to simplify version checking

Turn on OSX builds

Turn Orbit back on, allow custom build to turn off firmware version check

Turn Orbit on

Allow custom builds to turn off firmware version check

Clarify Base Position Altitude frame of reference

ADSB: Fix flag checks

FW Landing Pattern: Support for stop photo/video. Plus item unit test.

Fit map viewport to mission items

FW Landing Pattern: Support for stop photo/video. Plus item unit test.

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

Fix flag checks

ArduPilot: Update Rover flight modes

Merge branch 'master' of https://github.com/mavlink/qgroundcontrol into fitMapViewportToMissionItems

Support new ArduPilot bootloader PID/VIDs

Support new ArduPilot bootloader PID/VIDs

Update Rover flight modes

Clarify Base Position Altitude frame of reference

Style tweaks

Add renamed battery parameters to parameter maps

Upstream stable merge