Object to array normalization

[alsma]

Hello!

Currently I'm working on unified API implementation for our project, and I'd like to use serializer for REST api serialization/deserialization.
But also we are looking to reuse metadata that required for JMSSerializer in our SOAP api implementation. I see that normalization/denormalization logic are coupled together in visitors. Could you please assist how we can use serializer in order to do array -> object denormalization and vise versa ?

[davidwindell]

Duplicate of #20