Checking in on behalf of Ely: Make path share display objects
QE Notes: Test paths along with other display objects and display object sharing. Test path layout with arbitrary 2D xforms.
Doc Notes: None
Bugs: - http://bugs.adobe.com/jira/browse/SDK-17180, http://bugs.adobe.com/jira/browse/SDK-17158
Reviewer: - Evtim
This slows down path a bit, but makes it use less memory.