Merge pull request #65 from OresteVisari/gh-pages

Issue #63: fix a problem introduced by a previous rebase
Issue #59: Using CSS for various kinds of balls
Merge pull request #66 from Yoric/angles

Issue #59: Using CSS for various kinds of balls
[Cleanup] Get rid of the _classInitialized hack
Merge pull request #67 from Yoric/angles

[Cleanup] Get rid of the _classInitialized hack
[Cleanup] Whitespace
[Docfix] Fixed incorrect documentation in `Ball`
[Cleanup] Moving Ball and Sprite out of main.js
Merge pull request #68 from Yoric/yoric

[Cleanup] Moving Ball and Sprite out of main.js
[Fix] the lastestMultiplierUpdate value was missing