LiveryChanges

How to have your vehicle's graphics change with time or other factors

To write:

- intro to variational action 2

- using a simple variational action 2

- accessing global variables (date)

- accessing vehicle variables (age), how to deal with those in purchase screen

- provide demo download and screenshot

Advanced:

- chains of variational action 2 entries

- how to number them (because can't refer to future action 2)

- how to implement them

- provide demo download and screenshot