Applying pull request comments from chapados to rename certain messages:
rename ANKI_VEHICLE_MSG_V2C_POSITION_SPEED
to     ANKI_VEHICLE_MSG_V2C_LOCALIZATION_POSITION_UPDATE

rename ANKI_VEHICLE_MSG_V2C_OFFSET_FROM_ROAD_CENTER
to     ANKI_VEHICLE_MSG_V2C_LOCALIZATION_TRANSITION_UPDATE

rename ANKI_VEHICLE_MSG_V2C_CAR_OFF_TRACK
to     ANKI_VEHICLE_MSG_V2C_VEHICLE_DELOCALIZED

rename ANKI_VEHICLE_MSG_V2C_CAR_AT_TRACK_EDGE
to     ANKI_VEHICLE_MSG_V2C_OFFSET_FROM_ROAD_CENTER_UPDATE