Emissive materials

build/engine/shaders/default/default.ps

source/anim/DynamicModel.cpp

source/anim/DynamicModel.h

source/anim/DynamicModelProvider.cpp

source/anim/DynamicModelProvider.h

source/anim/DynamicModelShared.cpp

source/anim/DynamicModelShared.h

source/anim/Renderable.cpp

source/anim/RenderableVisibility.cpp

source/anim/RenderableVisibility.h

source/game/GameData.cpp

source/mtrl/IXMaterial.h

source/mtrl/MaterialSystem.cpp

source/mtrl/MaterialSystem.h

source/render/RenderPipeline.cpp

source/xcommon/XEvents.h