Adding the ability to add a waypoint.

Refactoring QGCFlightDisplay and Renaming QGCMavManager.*

Sorting source and headers while at it.

Added MavManager QML Interface

It does not update anything internally. It just moves the path on the screen.

Initial rendering of Waypoints

New Custom Command Widget

Remove the "Simulate" feature

Singleton screen tools
I will deal with the other PR tomorrow...

New parameter editor

- You can now cancel parameter change
- Tablete friendly

Mobile Menu Bar

Wait for pluginReady

Mock link automatically added to Connect

MockLink now part of all debug builds