added documentation for setAspectRatio & setFov
added documentation for worldToScreen 

Cribbed some stuff from http://processing.org/reference/screenX_.html
Deleted inappropriate copyright notice. 

Removed Memo's "Copyright 2011 MSA Visuals Ltd. All rights reserved", with the understanding that this was probably added automatically in the first place. Sorry Memo, nothing personal.
Update ofCamera.h
Update ofCamera.h
moe functions
Did screenToWorld
Update of3dGraphics.h
Documentation for ofDrawBox
Documentation for cones.
More on cones.
Merge pull request #4 from golanlevin/master

Documentation additions to ofCamera