Re: [css-houdini-drafts] [css-typed-om] Describe that StylePropertyMaps are not live objects

To clarify, this is saying that StylePropertyMaps won't update based 
on style changes from other sources:

```
var map = el.styleMap;
map.get('height') // for argument's sake, CSSSimpleLength(100, 'px')
el.style.height = '200px';
map.get('height') // will still return CSSSimpleLength(100, 'px')
```

It might actually be reasonably simple to support live maps for 
specified objects but for computed styles this gets quite expensive, 
and it seems best to be consistent.

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Received on Wednesday, 27 July 2016 22:11:40 UTC