as1 init
command line stuff
ambient term
close with spacebar
variable number of light sources
Merge branch 'master' of https://bitbucket.org/jamessha78/cs184

Conflicts:
	as1/as1
	as1/example_01.cpp
	as1/example_01.o
diffuse but bugged
diffuse works
phong for point lights
diffuse + spec placed in separate functions
refactored a bit
toon shading
mostly working occlusion
works with examples
occlusion should be working... I hope
save
added toon as an option
rendering now has the right order (back to front)
added readme
bug fix and options to adjust window size and units