use promise in loader

samples/02-loader/src/LoaderExample.hx

@@ -19,24 +19,24 @@ class LoaderExample {
     // Json
     trace("Json Request");
     new JsonLoader().GET("http://umix.tv/channel/data2/renova.json")
-      .success(function(channel:Array<ChannelItem>) {
+      .then(function(channel:Array<ChannelItem>) {
         trace("Json Ok: " + channel.length);
         for (item in channel) {
           trace(item.id + ": " + item.message);
         }
       })
-      .fail(function(error) {
+      .catchError(function(error) {
         trace(error);
       });
 
     // Image
     trace("Image Request");
     new ImageLoader().GET("http://umix.tv/channel/block/renova/1")
-      .success(function(image:BitmapData) {
+      .then(function(image:BitmapData) {
         trace("Image Ok: " + image.width + "x" + image.height);
         Lib.current.addChild(new Bitmap(image));
       })
-      .fail(function(error) {
+      .catchError(function(error) {
         trace(error);
       });
   }