ListBox finie (largement à améliorer !)

Je sais, les boutons sont mal placés mais j'y arrive pas !
Merge remote-tracking branch 'origin/master'

Conflicts:
	bin/Interface/editor.xml
	bin/voxelion/game/client/ClientApp.class
	bin/voxelion/game/client/gui/nifty/GUIState.class
	bin/voxelion/modder/CreateObject.class
	bin/voxelion/modder/EditTypes.class
	bin/voxelion/modder/EditorCamera.class
	bin/voxelion/modder/EditorScreen$1.class
	bin/voxelion/modder/EditorScreen.class
	bin/voxelion/modder/Entity.class
	bin/voxelion/modder/Events.class
	bin/voxelion/modder/GUI.class
	src/voxelion/modder/GUI.java
	src/voxelion/modder/screen/EditorScreen.java