Better handling of vehicle change state transitions

VIsual tweaks

Support for Vehicle and Firmware classes

Gradient units are degrees

Remove unused Shapes module causing AppImage to fail

Fix blank PlanView due to bad connection

Fix missing missionItem property set

Use new Transect common controls

Common control for terrain follow

Common control for Pattern tab bar

Fix  incorrect supportsTerrain reference

Initial support for global plan-wide altitude mode setting

Rework handling of fw/vehicle type with respect to conflicts with actual vehicle types.

ToolStrip rearchitecture for encapsulation and customization

Re-architect toolbar for better customization capabilities. Also use less real estate.

Rework Fly View into separate layers which can be customized at each layer.

Add support for Json file string translations

Major rework to support terrain profile display and terrain collision reporting

Propagate opacity and interactive properties to mission items
Set opacity to 0.5 for items that are not part of the current
edit view

Small visual tweaks and fixups for patterns

VTOL Landing Pattern support

New wizard done model

Drag of land/loiter maintains land distance/heading as appropriate

Out Survey polygons with KML save

Stable update

Fix hamburger positioning

Always how command description. Better support for VTOL Takeoff. New help text for altitude on Land commands.

Vertical index display. Click anywhere in bar.

Visual tweaks for mission items

Plan: Add support for takeoff item required

Mavlink terrain protocol support

Put back ToolStrip titles which were mysteriously removed

Are you sure check on preset delete

Fix altitude mode setting for correct control display

Fix Done Tracing <-> Done PolyFoo in wizard relationship

Drive Plan view ROI support from firmware capability bits

Track trace mode in polygon so we can use it to exit wizard mode