niflib: update to latest xml files

include/gen/BodyPartList.h

include/gen/DecalVectorArray.h

include/gen/enums.h

include/gen/enums_intl.h

include/obj/BSPSysSimpleColorModifier.h

include/obj/BSShaderPPLightingProperty.h

include/obj/BSShaderProperty.h

include/obj/Lighting30ShaderProperty.h

niflib.vcproj

src/gen/BodyPartList.cpp

src/gen/DecalVectorArray.cpp

src/gen/enums.cpp

src/obj/BSDecalPlacementVectorExtraData.cpp

src/obj/BSDismemberSkinInstance.cpp

src/obj/BSPSysSimpleColorModifier.cpp

src/obj/BSShaderPPLightingProperty.cpp

src/obj/BSShaderProperty.cpp

src/obj/Lighting30ShaderProperty.cpp