Update vehicle heading from possible item change

Use consistent "Launch" naming

More work on contextual Plan tools

Support for new TakeoffMissionItem and Takeoff Tool 

Wizard Mode for Create Plan

New Create Plan support

Correctly handle command changes from no-coordinate item to coordinate item

Default ROI altitude to 0

Add internal error case

Support for new AltitudeFactTextField

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

setCoordinate was screwing up altitude/param7 syncronization

Fix Change Command parameter default setting

Update unit tests to catch this