Also added logging category

Check the board description in the LinkManager and display AeroCore instead of Pixhawk for the Gumstix AeroCore board.

The problem only shows up on Windows and only if you have built your own
version of Qt. Must be something slightly different with the includes in
that case.

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.