Some cleanup

build/engine/shaders/lighting/lighting_blend.ps

build/engine/shaders/lighting/lighting_com.ps

build/gamesource/shaders/pptm/pptm_calc_adapted_lum.ps

build/gamesource/shaders/pptm/pptm_common.h

build/gamesource/shaders/pptm/pptm_lum_init.ps

build/gamesource/shaders/pptm/pptm_lum_iterative.ps

proj/sxgcore/vs2013/sxgcore.vcxproj

proj/sxgcore/vs2013/sxgcore.vcxproj.filters

source/gcore/gcore_data.cpp

source/gcore/gcore_data.h

source/gcore/gcore_utils.cpp

source/gcore/gcore_utils.h

source/gcore/sxgcore.cpp

source/terrax/mainWindow.cpp

source/terrax/terrax.rc