Added support for rendering images as two dimensional trees.
Mainly intended as an exercise/something for fun.
Fixed the node size degredation to be a power function instead of a logrithim.
Added support for STL exports.
Made the control interface more handy.

Time spent: 1 hour
Merge branch 'master' of git.machpi.org:westin/senior-project-2013

Conflicts:
	SpaceColonization/SpaceColonizationFinal/src/com/pi/senior/space/gen/SpaceColonizer.java
	SpaceColonization/SpaceColonizationFinal/src/com/pi/senior/space/renderer/ViewerProgram.java