Updates to my WPF graph app

[Josh Smith]

I got two great pieces of feedback regarding my new WPF Graph app.  Daniel pointed out an object graph where my circular dependency detection algorithm didn't find all of the circles.  I found a nice solution to that problem and updated the article.  Josh Wagoner (one of the many silent Disciples) suggested that I use an easing equation on the animations that move the node connectors.  I took his advice and the UI feels much more responsive and fun now.  

Thanks to everyone who pointed out ways to improve the app!

The latest source code is available at the top of the article, if you care to check it out: http://www.codeproject.com/KB/WPF/WpfGraphVisualization.aspx

Josh