DUNE/Simulation: In class UAV, replaced printf calls by task derived warning calls.
Simulators/UAV: Updated UAV simulation class calls to allow the use of task derived warnings.
Maneuver/VehicleFormation/FormCollAvoid: Updated UAV simulation class calls to allow the use of task derived warnings.
Maneuver/VehicleFormation/Coordinator: Updated UAV simulation class calls to allow the use of task derived warnings.