higher speed collisions to trigger a bounce sound
Merge pull request #1399 from ey6es/metavoxels

First pass at/proof of concept of "metavoxels."
reduced damping for thrown balls, turned off screen flash
Merge remote-tracking branch 'upstream/master'
added catch, throw, new ball sounds.  Tuned ball speed for handball.
Merge pull request #1400 from PhilipRosedale/master

HandBall:  Sounds for throw, catch, new ball.  Tuned forces.