Simpler this way

Simpler this way

- New mission command editor dialog
- New MissionCommands toolbox object to get command info
- Added APM mission item set

Windows OS doesn’t disconnect port when you pull plug on USB. This
caused all sorts of problems with previous logic. New logic handles
this correctly.

Also reflow settings pane to take less space

- Pervasive change to automatically connect to known board types
- Lots of additional changes along with this:
- More exposure of objects/properties to Qml
- Much restructuring in LinkManager and LinkManager clients

- Pervasive change to automatically connect to known board types
- Lots of additional changes along with this:
- More exposure of objects/properties to Qml
- Much restructuring in LinkManager and LinkManager clients

Changed to “f” string conversion from “g” to get better results

- Pervasive change to automatically connect to known board types
- Lots of additional changes along with this:
- More exposure of objects/properties to Qml
- Much restructuring in LinkManager and LinkManager clients

Preparation for auto-connect having no connect/disconnect buttons.

Tweak toolbar height for mobile.

Instead us a Toolbox concept which hangs off of QGCApplication