Plus lots of other tweaks to ui for visuals

For QWidget we will just use the Qt default font sizes. This removes
the extra QQuickWidget creation which breaks boot Qml Profiling

- Delete all old map code

Remove old —full-logging

Use import QGroundControl 1.0 to get to it

- Also added new adjustMavlinkMessage support

This allows for testing issues found on high dpi screen without needing
a high dpi screen. it does this by doubling the font sizes.

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

Plus lots of other cleanup

- Moved all MavManager functionality to Vehicle
- Updated all code to use Vehicle instead of MavManager
- Removed MavManager

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