Khan/khan-exercises — pull request #19360 by beneater (2012-04-13 05:48:31+00:00)
Title: Remove a bunch of unused/incomplete/broken exercises

I'm almost certain none of these are deployed on the live site. They're all fatally broken, despite holding the secret to eating 12 slices of pie without feeling guilty:

![Imgur](http://i.imgur.com/MV6cP.png)