Co-authored-by: Anton Erasmus <antonerasm@gmail.com>

Clean up references to MainRootWindow globals

Move calibration methods to Vehicle

Fix max channel handling

App messages now use simple modal message dialogs. Vehicle messages continue to use non-modal popup.

Fix Radio button problems

Fix RadioButton group problems

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

Except for motorIndexToLetter()

Sizing fix

MOve to correct Common location

Fix proper SVG rendering

Fixed flight widget position.

Get rid of QGCView, QGCViewPanel and FactPanel. All messages and dialogs are now handled in the root window.

Clean up wasted space

Fix Rover check for isFlying

Hack to allow Rover setup pages to work

UI rework

Q_ENUMS is deprecated and should not be usued.

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

The X-UAV Mini Talon is a V-Tail plane. This commit adds the
new group "Plane V-Tail" together with a svg image for the
new group.