Move Extern to experimental

Author: photonstorm

src/gameobjects/index.js

@@ -26,7 +26,6 @@ var GameObjects = {
     Blitter: require('./blitter/Blitter'),
     Container: require('./container/Container'),
     DynamicBitmapText: require('./bitmaptext/dynamic/DynamicBitmapText'),
-    Extern: require('./extern/Extern.js'),
     Graphics: require('./graphics/Graphics.js'),
     Group: require('./group/Group'),
     Image: require('./image/Image'),
@@ -60,7 +59,6 @@ var GameObjects = {
         Blitter: require('./blitter/BlitterFactory'),
         Container: require('./container/ContainerFactory'),
         DynamicBitmapText: require('./bitmaptext/dynamic/DynamicBitmapTextFactory'),
-        Extern: require('./extern/ExternFactory'),
         Graphics: require('./graphics/GraphicsFactory'),
         Group: require('./group/GroupFactory'),
         Image: require('./image/ImageFactory'),
@@ -109,6 +107,9 @@ if (typeof EXPERIMENTAL)
 {
     GameObjects.DOMElement = require('./domelement/DOMElement');
     GameObjects.Factories.DOMElement = require('./domelement/DOMElementFactory');
+
+    GameObjects.Extern = require('./extern/Extern.js');
+    GameObjects.Factories.Extern = require('./extern/ExternFactory');
 }
 
 if (typeof WEBGL_RENDERER)