ddl update link

Exporters/Blender/readme.md

@@ -1,7 +1,7 @@
 Blender to Babylon.js exporter
 ==============================
 
-Direct download of [last version](https://github.com/BabylonJS/Babylon.js/blob/master/Exporters/Blender/Blender2Babylon-5.3.zip?raw=true).
+Direct download of [last version](https://github.com/BabylonJS/Babylon.js/blob/master/Exporters/Blender/Blender2Babylon-5.4.zip?raw=true).
 
 See the [exporters documentation](http://doc.babylonjs.com/exporters) for a list of [features](http://doc.babylonjs.com/exporters/blender), some [tips](http://doc.babylonjs.com/exporters/blender_tips) and others.