upgraded yui to 2.2.2 and yui-ext to 1.0.1a

www/extras/yui/examples/treeview/js/log.js

@@ -0,0 +1,15 @@
+// Adapter for YAHOO.widget.Logger
+
+var ygLogger = function(module) {
+    return new YAHOO.widget.LogWriter(module);
+};
+
+YAHOO.widget.LogWriter.prototype.debug = function() {
+    this.log.apply(this, arguments);
+};
+
+ygLogger.init = function(div) {
+   new YAHOO.widget.LogReader(div, { 
+            height: "400px" 
+        });
+};