Fix several envmap issues

src/CMakeLists.txt

src/Mara/main.cpp

src/libRender/RadiumNBR/EnvMap.cpp

src/libRender/RadiumNBR/NodeBasedRenderer.cpp

src/libRender/RadiumNBR/NodeBasedRenderer.hpp

src/libRender/RadiumNBR/Passes/EmissivityPass.cpp

src/libRender/RadiumNBR/Passes/EnvLightPass.cpp

src/libRender/RadiumNBR/Passes/EnvLightPass.hpp

src/libRender/RadiumNBR/Passes/GeomPrepass.cpp

src/libRender/RadiumNBR/Passes/LocalLightPass.cpp

src/libRender/RadiumNBR/RenderPass.hpp

...der/RadiumNBR/Shaders/EnvLightPass/envlightpass.frag.glsl