Should render fallback for namedTarget if namedTarget fails
Add safety around namedtarget getTexture to stop assert
Missing assets should revert to fallback image and print a warning to console
Remove REFACTOR tag from all macros.
SceneObject now defaults to a category of "misc"
getCategoryOfClass now checks parent classes for what categories they hold so that variants can inherit
categories are in one of a few rough groups and subgroups depending on actual mapper needs/usages
