Revert "VMM.Library.animate(): don’t churn object copies"

This reverts commit 5c4edc9502.

source/js/Core/Core/VMM.Library.js

@@ -446,7 +446,7 @@ if(typeof VMM != 'undefined') {
 			var _ease		= "easein",
 				_que		= false,
 				_duration	= 1000,
-				_att;
+				_att		= {};
 			
 			if (duration != null) {
 				if (duration < 1) {
@@ -467,9 +467,9 @@ if(typeof VMM != 'undefined') {
 			
 			
 			if (att != null) {
-				_att = att;
+				_att = att
 			} else {
-				_att = {opacity: 0};
+				_att = {opacity: 0}
 			}
 
 			if (VMM.Browser.features.css.transitions && !('scrollTop' in _att)) {