Initial add of 6.837 computer graphics course material. http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-837-computer-graphics-fall-2012/index.htm
Adding includes from http://web.mit.edu/6.837/public/include/vecmath/
Adding functional assignment zero.  This required installing freeglut and freeglut-devel, as well as setting up an appropridate LD_LIBRARY_PATH for libglut.