JUNG Example

A first pass at using JUNG to lay out a molecule. It does contain some 3D layout capabilities, which will take some tinkering to figure out. The [tutorial from Grotto Networking](http://www.grotto-networking.com/JUNG/JUNG2-Tutorial.pdf) comes highly recommended!

Signed-off-by: Seth Battis <SethBattis@stmarksschool.org>