fixed debug.html for playground

Playground/debug.html

@@ -5,11 +5,11 @@
     <script src="https://babylonjs.azurewebsites.net/poly2tri.js"></script>    
     <script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.6.2/dat.gui.js"></script>
     <!--x-tag-->
-    <script src="xtag.js"></script>
+    <script src="xtag.min.js"></script>
     <script src="splitbox.js"></script>
     <link href="splitbox.css" rel="stylesheet" />
     <!-- jszip -->
-    <script src="jszip.js"></script>
+    <script src="jszip.min.js"></script>
     <script src="fileSaver.js"></script>
     <!-- Bootstrap -->
     <link href="bootstrap/css/bootstrap.css" rel="stylesheet">
@@ -19,7 +19,7 @@
     <script src="https://babylonjs.azurewebsites.net/Oimo.js"></script>
     <!--<script src="../babylon.js"></script>-->
     <script src="https://babylonjs.azurewebsites.net/babylon.max.js"></script>
-    <script src="https://babylonjs.azurewebsites.net/babylon.canvas2d.max.js"></script>
+    <script src="https://babylonjs.azurewebsites.net/babylon.canvas2d.js"></script>
     
     <script src="https://babylonjs.azurewebsites.net/lib/babylon.fireMaterial.js"></script>
     <script src="https://babylonjs.azurewebsites.net/lib/babylon.waterMaterial.js"></script>