--updated WheelTick definition
--added AtmosphericPressure, WheelSpeed, BrakeOperation, IgnitionStatus, and YawRate interfaces
--renamed Brake interface to BrakeMaintenance interface as that is what it truly was and to avoid name collisions
--added vehicle type enum
--fixed copy and past errors
--renamed IgnitionStatus to IgnitionTime interface
Merge pull request #35 from occops/master

Added new interfaces and data elements