Improving Standard Rendering Pipeline

- Added serialize / Parse
- Fixed depth-of-field base color post-process
- Added blur width for depth-of-field

src/PostProcess/babylon.standardRenderingPipeline.ts

@@ -443,7 +443,7 @@ module BABYLON {
 
         // Serialize rendering pipeline
         public serialize(): any {
-            var serializationObject = SerializationHelper.Serialize(this, super.serialize());
+            var serializationObject = SerializationHelper.Serialize(this);
             serializationObject.customType = "StandardRenderingPipeline";
 
             return serializationObject;