EMI: Free costumes once all chores have finished.
EMI: Return the first costume that has a model component in Actor::getCurrentCostume.
EMI: Do not reset the costume when a new wear chore is started. Fixes #878
EMI: Remove special treatment of wear chores which is no longer necessary.
EMI: Remove unreachable code.
EMI: Remove unnecessary costume check in ActorLookAt.
EMI: Return playing chores of all costumes from GetActorChores.
EMI: Go through all costumes in IsActorChoring.