Cars: Race-O-Rama/Beta elements

==== Planned & unused characters ====
* Switcher
* VIN alternate model
* Lightning McQueen (Drag Racing, Unknown Tuning)
* Mia (Rescue Team)
* Tia (Rescue Team)
* Mater (Fire Truck)
==== Unadded characters ====
* Sally (wasn't added due to copyright of Porsche company)