Fixed Canvas2D gulp config

canvas2D/config.json

@@ -13,8 +13,8 @@
       "!src/**/*.d.ts"
     ],
     "files": [   
-      "src/Tools/babylon.stringDictionary.js",
       "src/Tools/babylon.observable.js",
+      "src/Tools/babylon.stringDictionary.js",
       "src/Engine/babylon.bounding2d.js",
       "src/Engine/babylon.canvas2dLayoutEngine.js",
       "src/Engine/babylon.brushes2d.js",