@Override
			public void onAnimationStart(Animation animation) {}
Performs either COLLAPSE or EXPAND animation on the target view
@param target the view to animate
@param type the animation type, either ExpandCollapseAnimation.COLLAPSE
			 or ExpandCollapseAnimation.EXPAND
library/src/main/java/com/tjerkw/slideexpandable/library/AbstractSlideExpandableListAdapter.java