Simpler structures for root object and reference properties

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See tomkralidis/csw4js#1 (comment).

Instead of:

{
    name: "foo:Bar",
    value: { ... }
}

We'd like to have simply:

{
    "foo:Bar": { ... }
}

[highsource]

The latest version of the JSFiddle:

http://jsfiddle.net/lexi/6skd7x8u/

[highsource]

Updated example:

• http://jsfiddle.net/lexi/6skd7x8u/

Still todo some tests and an example for unmarshalling.