Fixed interactions between PreFlightCheckList and the FlightView

APMSubMotorComponent.qml: fix broken timer binding

Switch gstreamer to use Qt log API by default

timer.start() and timer.stop() were breaking the 'running' binding of
the timer

Plan: Takeoff/Land insertion fixes, fix current item update after delete, fix crash

Fix DISABLE_VIDEOSTREAMING (once more)

QGCMavlink: Add GCC version check to use address-of-packed-member

Plan: Make PX4 VTOL takeoff work like fixed wing

Don't report missing parameter FRAME_CLASS

Fix current item updating after delete

Not setting _isIncomplete correctly was causing crash

Fix Plan insert Takeoff/Land for correct enable state and insert into correct place. 

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

Plan: Make PX4 VTOL takeoff work like fixed wing

QGCMAVLink: Add compiler check to avoid pragma warnings

MKV file recording fix

Repackage video sink into GstQgcVideoSinkBin

MSVC warns about not identified pragmas
Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Fix PreFlightBatteryCheck issue with NaN

ArduPilot: Change follow to work above home altitude only

QGCMAVLink: Remove mavlink warnings

Change follow to work above home altitude only

mavlink as submodule contains more warnings than particles in the universe.
This results in a terrible experience for developers, since it makes harder to find
real warning messages for QGC.
Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Fix matroskamux stream start (workaround for https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/issues/449)

Fix placement of Vehicle::_sendNextQueuedMavCommand

Use new tarballs for android gstreamer

Work around for random rectangles over maps

Fix missed place for GSTREAMER_NAME

User new tarballs for android gstreamer

Support for checklist status text color