DUNE.Maneuvers: Adding elevator mechanism.
DUNE.Maneuvers: Clearing path message in Elevate.
DUNE.Maneuvers.Elevate: Added function to compute vertical error that does not use EstimatedState.
Maneuvers.Elevator: Adapted task to use class Elevate.
DUNE.Maneuvers.Elevate: Doxying.
DUNE.Maneuvers.Elevate: Was not dispatching the desired path message.
DUNE.Maneuvers.Elevate: Removing useless space.