Moved some traits, including MustBeDestroyed, from ^Building to ^BaseBuilding. Removed some now superflous traits and trait negations from ^CivBuilding. Changed Inheritances of all buildable structures to ^BaseBuilding.
Moved some traits, including MustBeDestroyed, from ^Building to ^BaseBuilding. Removed some now superflous traits and trait negations from ^CivBuilding. Changed Inheritances of all buildable structures to ^BaseBuilding.