Changes from 0.6.0
* Added Shape:setGroupIndex and getGroupIndex.
* Added Body:setFixedRotation and Body:getFixedRotation.
* Added Body:setInertia.
* Added CircleShape:getLocalCenter and CircleShape:getWorldCenter.
* Added icons and file associations for the debs.
* Added the demos folder to the Mac OS X DMG.
* It's now possible to run a .love from Resources in Mac OS X, thanks to Steve Johnson.
* Fixed a bug with multiple Sources on the same Music.
* Fixed a bug so the mouse doesn't get crippled when the keyboard is disabled.
* Fixed a bug where love.graphics.rectangle drew a too large rectangle.
* Fixed a bug where memory wouldn't be released correctly.
* Fixed epic physics typo (getRestituion->getRestitution).
* Fixed crash on opening non-existent image.
* The error screen redraws when an event occurs.
* The default love.run() now gracefully handles disabled modules.
* The debian packages should now successfully include icons, file associations, etc, and should give the correct architecture.
* Added support for drawing polylines to love.graphics.line - the syntax is the same as love.graphics.polygon.
* Removed Music and Sound. There are now only sources.
* Improved the stability of love.audio/love.sound.
