Fixes #932 (Mask does not work for some movies)
Merge pull request #933 from claus/masks

Fixes #932 (Mask does not work for some movies)
Accepting postMessage to control keys/mouse events
Merge pull request #935 from yurydelendik/postmessage

Accepting postMessage to control keys/mouse events
Fix xlsimport
Fixes postMessage for IE11
Fix bounding calculation.
Fix transform.
Merge pull request #944 from tobeytailor/display

Misc display fixes
Always return a copy when accessing transform.
Ignore timeline commands for objects animated by scripts.
Merge pull request #947 from tobeytailor/display

More display fixes
Add root to stage before running its constructor.
Merge pull request #948 from tobeytailor/timeline

Add root to stage before running its constructor.