Various compile fixes.

Various nif save fixes and xml sync.

Add release script.

Preparing the 0.8.0 release.

Sync with Ethatron's updates.

Bugfix for writing numuvsets (aka the dreaded 4097 issue for Skyrim exports).

Sync to latest xml (fixes bug when writing NiSkinPartition blocks).

Project fixes for MSVC.

changes for nifutils

Note:
Manually resolved one conflict in NiGeometryData Get/SetTspaceFlags.
All other conflicts resolved via gen_niflib.py.

Conflicts:
	include/gen/enums.h
	include/gen/enums_intl.h
	include/obj/BSBehaviorGraphExtraData.h
	include/obj/BSEffectShaderProperty.h
	include/obj/BSLagBoneController.h
	include/obj/BSLightingShaderProperty.h
	include/obj/BSLightingShaderPropertyFloatController.h
	include/obj/BSMultiBoundAABB.h
	include/obj/BSSegmentedTriShape.h
	include/obj/BSXFlags.h
	include/obj/NiObjectNET.h
	src/gen/Header.cpp
	src/gen/enums.cpp
	src/obj/BSEffectShaderProperty.cpp
	src/obj/BSLagBoneController.cpp
	src/obj/BSLightingShaderProperty.cpp
	src/obj/BSMultiBoundAABB.cpp
	src/obj/NiGeometryData.cpp
	src/obj/NiObjectNET.cpp
	src/obj/NiPSysData.cpp
	src/obj/NiParticlesData.cpp