Merge branch 'master' of https://github.com/xal1983/knockout-kendo in…

…to xal1983-master

src/knockout-kendo-core.js

@@ -55,7 +55,7 @@ ko.kendo.BindingFactory = function() {
             //step 6: handle disposal, if there is a destroy method on the widget
             if(widget.destroy) {
                 ko.utils.domNodeDisposal.addDisposeCallback(element, function() {
-                    widget.destroy();
+                    kendo.destroy(widget);
                 });
             }
         };