This prevents the indicator from overlapping the “Flight Modes” text

- More more on making QGCView real
- Converted Parameter Editor to QGCView

Sorting source and headers while at it.

Initial rendering of Waypoints

- You can now cancel parameter change
- Tablete friendly

Use default font wherever possible. Where that doesn’t work, use
ScreenTools::dpiAdjustPointSize.

Moved update canvas signal to perspective load instead of hooking it to the paint event.
Added an "S" as the unit for the number of cells fact (as in 4S).