If Facts are referenced from FactPanelController, we need to reference
count the AutoPilotPlugin such that it doesn’t get destroyed until
after the FactPanelController is destroyed.

Using wrong control

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

QGCUASParamManager and friends are replaced by FactSystem

- cancel support
- mag rotation images
- set board rotation before cal
- set compass rotation after mag cal