[Users] The History of the Einstein Toolkit (and in parts, of Cactus)

[Christian Reisswig]

Pretty cool!

> Hi
> 
> Did you ever tried to imagine how you could visualize the code
> development on the Einstein Toolkit / Cactus code base over the now more
> than 10 years? Take a look at this:
> 
>   http://www.youtube.com/watch?v=EO4d32ch6OI
> 
> Frank Löffler