head connects to neck during ragdoll simulation
reduce acceptable error for ragdoll simulation
AudioMixer print added; untested
stats working
per-report stats added to jitter tests
sestets added to jitter tester
merge upstream
added stdev to jitter tester
forgot a line
forgot more lines
forgot newline
another newline
Merge pull request #3274 from wangyix/leo_stats

Added domain setting to make AudioMixer print audiostream stats to stdout every second;  Added per-report prints to jittertester
cleanup and reordering of code
use relative masses for ContactPoint contsrtaint
ContactPoint tries to help maintain collisions

so that collision events will continue to update the contact
minor tweak to how ContactPoint is updated
less variability in verlet simulation loop count
merge upstream/master into andrew/ragdoll
adding comment about parameter's purpose