Reverted a previous change to the skin calculations which turned out to be incorrect.
Reverted a previous change to the skin calculations which turned out to be incorrect.

figment/niflib,niftools/niflib,BlazesRus/niflib,BlazesRus/niflib,amorilia/niflib,figment/niflib,neomonkeus/niflib,niftools/niflib,neomonkeus/niflib,neomonkeus/niflib,niftools/niflib,figment/niflib,amorilia/niflib