Vehicle-defs: Added 86-ntnu-hexa-001, 86-ntnu-hexa-002, 86-ntnu-hexa-003, ntnu-hexa-004
Vehicle-defs: Added 88-ntnu-x8-001, 88-ntnu-x8-002, 88-ntnu-x8-003, ntnu-x8-004
Vehicle-defs: Added ntnu-penguin-001