- 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

This wasn’t quite coded correctly. Mavlink needs heartbeat first, then
the shell command will be issued.

Fix the corner case of a system running on localhost using the network and the loopback address in parallel. Force it onto the loopback interface.

Instead us a Toolbox concept which hangs off of QGCApplication

- Must end in Log for *Log.debug=false to work in filter rules

- Delete all old map code

- Fixed found bugs in MissionManager

- Fixed bugs found to unit test

- select active vehicle
- arm/disarm
- select flight mode