Usability plus, new features:
- 3DR Radio support
- APM Stack support

to the clearer, standard versions of the AWS links.

Everything is now based off of default font pixel size

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.

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

- You can now cancel parameter change
- Tablete friendly

Also removes qextserialport