final wheels etc ui work, single associations are working properly.

Signed-off-by: Chris Jones <chris@jonezy.org>
interiors without an associated colourline will still work, std configs
load properly now.

Signed-off-by: Chris Jones <chris@jonezy.org>
the first pass at the new wheels and tires is done, selections left to do!

Signed-off-by: Chris Jones <chris@jonezy.org>