Project4 Submission#1

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heguanyu wants to merge 3 commits intoCIS565-Fall-2013:masterfrom

heguanyu:master

Commits on Oct 30, 2013

basic part and mouse interaction accomplished
heguanyu
committed

Commits on Oct 31, 2013

Back culling and anti-aliasing finished
heguanyu
committed
Everything is completed
heguanyu
committed