Quiz 1 complete
Lab 5 completed -- Complete physics for billiard balls.
Lab 6 bowling with spin completed.
Door with a hinge added to demo for lab 7.
Ramp and compound chassis shapes added for lab 8.
Collision sensor added for lab 10.
Flag flapping in the wind for lab 11.
Merge branch 'master' of https://github.com/sivyr/game520-physics-engine

Conflicts:
	BasicDemo.cpp
	BasicDemo.h