Optimized shader constants

build/gamesource/shaders/const.h

build/gamesource/shaders/mtrlgeom/mtrlgeom_base.vs

build/gamesource/shaders/mtrlskin/mtrlskin_base.vs

source/anim/AnimatedModel.cpp

source/anim/AnimatedModel.h

source/anim/AnimatedModelShared.cpp

source/anim/AnimatedModelShared.h

source/anim/DynamicModel.cpp

source/anim/DynamicModel.h

source/anim/DynamicModelShared.cpp

source/anim/DynamicModelShared.h

source/mtrl/MaterialSystem.cpp

source/mtrl/MaterialSystem.h

source/render/RenderPipeline.cpp

source/render/RenderPipeline.h