Ball initial

Initial ball code. Warning: Runs off teacher's solution code; if
merging, merge ONLY ball3d.pde .
Merge remote-tracking branch 'origin/master' into rolling_ball
Update to movement

Buggy movement, but it works!
Merge branch 'master' into rolling_ball
all pictures in place
array fix

adjusting for sample point shift
Merge remote-tracking branch 'origin/master' into rolling_ball

Conflicts:
	geometry3D/Coons.pde
code scrub

Clearing variables not needed.
Ball3d rewrite

Rewrote ball3d to use the coons patch being rolled on, and (for now)
ignore samplePoints. Should roll more smoothly.
Merge pull request #3 from j3gb3rt/rolling_ball

Working!