Artificers can no longer build on shuttles
MMI's no longer magically transmute alien brains into normal brains. Cleaned up the code a bit.
Fixed cleaver sprites being in the wrong hand.
Fixed constructs being damaged to negative health & added ectoplasm spawning to Die()
You can no longer turn on depleted APCs for a split-second
Improved APC fix: breaker can be toggled regardless of power, power can be set to off or auto when there's no power instead of only off.
Merge pull request #1478 from Miauw62/variousfixes

Various Fixes