Fixed pixmap not being prepared/disposed correctly
No need to copy the Image frame, RectF is now immutable
Mouse scrolling support for ScrollPane
Merge branch 'master' of github.com:watabou/pixel-dungeon-gdx into watabou-master

Conflicts:
	PD-classes/src/com/watabou/input/PDInputProcessor.java
Fixed merge conflicts
Merge branch 'watabou-master'