handler capital
added new layer for hills, and a new class for it
Merge branch 'dev' of https://github.com/tinhtooang/balloonatic into dev

Conflicts:
	src/game/MainState.java
Merge branch 'dev' of https://github.com/tinhtooang/balloonatic into dev

Conflicts:
	src/game/MainState.java
Merge branch 'dev' of https://github.com/tinhtooang/balloonatic into dev

Conflicts:
	src/game/MainState.java
Merge branch 'dev' of https://github.com/tinhtooang/balloonatic into dev

Conflicts:
	src/Handlers/ScrollingHandler.java
	src/game/MainState.java