This reverts commit ae976049ca7b4818616e6b8be07a028fc7dfc26f.

Removed incorrect Vehicle.altitudeWGS84

Instead us a Toolbox concept which hangs off of QGCApplication

- Delete all old map code

- New MissionManager
- Plumb MissionManager through MissionEditor
- Mission Editor supports get/set

Plus lots of other cleanup

- MultiVehicleManager is a Qml friendly replacement for UASManager
- Vehicle is a replacement for both UAS and AutoPilotPlugin

- FirmwarePlugin is the new place for code which is specific to
firmware flight stack
- FirmwarePlugin currently supports flight mode apis
- Modify code to use new FirmwarePlugin support

Added setter functions for HIL noise variances.  Researching methods to add zero mean gaussian random number before implementation