임시커밋
임시커밋2
#15 stage.dipose()를 해서 이전 스크린 stage 제거하면 listener 사라짐
Merge branch 'NakOh' of https://github.com/CienProject2014/OneLevelHero into NakOh
Merge branch 'NakOh' into Kong

Conflicts:
	core/src/com/mygdx/screen/MenuScreen.java
	core/src/com/mygdx/screen/OptionScreen.java