Revert Box2D_v2.2.1 directory to pristine Box2D source.
Makefile changes for webidl bindings.
Simplify bundle.py.
Delete old binding files.
WebIDL bindings for Box2D
Update .gitignore for webidl output files.
Convert html5canvas demo to use WebIDL bindings.
Merge pull request #58 from artillery/webidl-bindings

WebIDL bindings.
Rebuild of box2d.js on OS X
Backport the fix at http://box2d.org/forum/viewtopic.php?f=4&t=7796 into this build of Box2D
Rebuild box2d.js
Consider collision masks in the b2BroadPhase
Remove code that is now unsupported because of broadphase filtering.
Rebuild box2d.js
Remove deleted groupIndex attribute
Rebuild box2d.js