Allow developers (or advanced users) to override UI settings - quite useful if you set your debug settings in QtCreator and do not depends on QGC settings state (they are reset to default sometimes, for example)

Code documentation and updates

Tweak output.

Exclude QObject and Item. Everything on the c++ side derives from QObject and most things on the QML side derives from Item.

Various fixes

CP - If GCS starts receiving its own coordinates, don't change the map center if it is already tracking the vehicle.

VideoPageWidget: Enable camera control if using gstreamer

Fix double EOS handling

Adding a New Autogyro Airframe Group

Update flight distance

UI Scaling

Custom combo box was not using our own custom font. As a result, it would respect neither the font family nor font size accordingly.

This was lost when moving the handling the the trajectory points from within the vehicle.

Since gstreamer is enable, we can record and do mostly everything
Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>