Polymer/ShadowDOM — pull request #204 by arv (2013-08-09 17:53:25+00:00)
Title: Fix issue with owner document when inserting across documents

Turns out that forcing a render does not solve the whole problem.

The main issue is that when we do an insert of a node from a different document we need to propagate the `ownerDocument` through the shadow roots.

Fixes issue #200