fixed several 'retina display' images and added a bunch more (though just from upscaling the normal ones; might be nice to have 'em redrawn at a real higher resolution)
add_subdirectory(AmmoMenu)
add_subdirectory(Flags)
add_subdirectory(Graves)
add_subdirectory(Hats)
add_subdirectory(Hedgehog)
add_subdirectory(SuddenDeath)
file(GLOB BaseSprites *.png)
list(REMOVE_ITEM BaseSprites *@2x.png)
install(FILES
${BaseSprites}
DESTINATION ${SHAREPATH}Data/Graphics)