Coverting to CMake and reflecting last StiGame changes
	modified:   .gitignore
	new file:   CMakeLists.txt
	modified:   README.md
	new file:   StiUniverse/CMakeLists.txt
	modified:   StiUniverse/GameOverlay.cpp
	modified:   StiUniverse/GameOverlay.h
	modified:   StiUniverse/MainMenuState.cpp
	modified:   StiUniverse/MainMenuState.h
	modified:   StiUniverse/MainState.cpp
	modified:   StiUniverse/OptionMenuState.cpp
	modified:   StiUniverse/OptionMenuState.h