Merge pull request #2 from bfgeek/master

Adds sourceURL to importing closure scripts. Makes Debugging nicer.
Initial implementation work for list properties.
Cleanup of paint demo. Yay!
Merge pull request #3 from bfgeek/master

First version of canvases drawing above and below the previous content/background.
Merge pull request #4 from shans/listProperties

List properties. Mostly implemented in web anim.