Added HandControl class  and also Avatar Touch class
Style tweaks: preface privates with underscore, capitalize enum members.
merge with upstream master
Rather than creating a thread to read datagrams, just set the socket to
nonblocking mode and check it before simulating.  This addresses one aspect
of the lack of synchronization on AgentList, but there are other issues...
Merge branch 'master' of https://github.com/worklist/hifi
send head position as source position to mixer
add some debugging to audio mixer for distance attenuation
add another line of debugging for audio mixer distance coeff
debug of distance should be float and not integer
merge with upstream master and resolve conflicts
Merge branch 'master' of https://github.com/worklist/hifi
moved handController
Merge branch 'master' of https://github.com/worklist/hifi
How'd those tabs get in there?
removed incomplete code snippet in Avatar.h
moved inline functions from Camera.h to Camera.cpp as per Stephen's request
Merge pull request #156 from ey6es/master

Style fixes to chat code, and moved packet reading to main thread to fix synchronization issues.
Merge pull request #155 from Ventrella/master

merge
change DISTANCE_RATIO const in audio-mixer main
Added toggle for nonblocking networking; default to threaded for now, since
we're seeing lower frame rates.