Merge branch 'nui' into behavior

Conflicts:
	engine/src/main/java/org/terasology/rendering/world/selection/BlockSelectionRenderer.java
updated to latest nui
Merge branch 'nui' into behavior
small sizing fixes
Merge branch 'nui_sizes' into behavior
Counter Node now is a Decorator, several tweaks at miglayout
fixed and added tests + corrected CounterNode