delete unused code

Hide sequence numbers

Change entry/exit, use new MapLineArrow control

New MapLineArrow control

Use new TransectStyleMapVisuals base control

New base class control for Survey/Corridor

Make visibility work

Only show full visuals when selected

Remove firmware version type since official always

Use firmware version type, not vehicle type

Zoom buttons move to MapScale control

Fix problems with ArduRover firmware parameter differences

Android builds add 32/64 bit text to version string

Not draggable in Fly View

Better error message

Android gstreamer bitness

Fix/update offline vehicle capability bits and mavlink version

Fix list scrolling

Toggle Rally Point insertion on/off.
Highlight current Rally Point and current Waypoint.
Use tab bar instead of a row of radio buttons for selection (Mission, Fence, Rally).
Fix QGCHoverButton to handle proper checked state toggle.
Get rid of the many arrays used to define behaviors for the ToolStrip. They are now all defined within its model.
Fixed color for disabled text within ToolStrip (it was invisible)