#46 [완료] json에서 Assets파일을 name으로 불러올 수 있게 만듦
Merge remote-tracking branch 'origin/#46_Enhancement_CreditScreen' into Developer

Conflicts:
	core/src/com/mygdx/event/ChatScene.java
	core/src/com/mygdx/event/CreditScene.java
	core/src/com/mygdx/game/OneLevelHero.java
	core/src/com/mygdx/screen/CreditScreen.java
	core/src/com/mygdx/screen/EventScreen.java
	core/src/com/mygdx/screen/MenuScreen.java
	core/src/com/mygdx/screen/PrologueScreen.java
	core/src/com/mygdx/screen/VillageScreen.java