head connects to neck during ragdoll simulation
reduce acceptable error for ragdoll simulation
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
change both send and receive socket buffers
Merge pull request #3279 from birarda/buffer-fix

change both send and receive socket buffers
Merge pull request #3277 from AndrewMeadows/ragdoll

Ragdoll Part 10: a little more stability
remove ragdoll from simulation in dtor
use "visible joint positions" for MyAvatar only
don't change the socket buffer sizes if it is already larger
Merge pull request #3282 from AndrewMeadows/ragdoll

fix crash for between two ragdolls
decouple audio-mixer packet receipt from main thread
attempt to change buffers to 1MB only
require presence of LibOVR for relative position from OculusManager
Merge pull request #3287 from birarda/oculus-dk2

require presence of LibOVR for relative position from OculusManager