first cut at reducing memory footprint of AABox
removed center from AABox to further save memory
some size comparison debugging
make voxelnode population statistics static members instead of per node
added old style voxelnode for size comparison
removed dead code
next round of voxelnode size improvements
type squish
Merge pull request #1067 from birarda/master

clear agent audio injector after send, don't send if empty
first cut at really getting _children UNION to work
First stab at chat circling mechanism.
Base the number of people we include in the circle on whether we would
actually fall in its radius (plus an expansion factor).
Reduce the approach rate.
Another rate adjustment.
Merge pull request #1068 from ey6es/encircle

First stab at chat circling behavior.
Move to 'european' comfort distance for chat circle
Merge pull request #1069 from PhilipRosedale/master

Move to 'european' comfort distance for chat circle
Decrease the distance between members, increase the influence of the circle,
don't rotate members.
Merge pull request #1070 from ey6es/master

Decrease the distance between members, increase the influence of the cir...
Fix for glow flickering.