Merge pull request #8 from ahoran3/master

Brandon
attempt to do blending and redo lighting
blending is done but the plane is pink (???)
lighting is almost there

the shadow on the teapot lines up with the projection shadow, but then
rotates out of lining up
shadow fix experiment
shadowing and blending done, cube broke
Merge pull request #9 from ahoran3/Brandon-

shadowing and blending