allow avatar agents to ask for audio loopback
Merge branch 'master' of github.com:worklist/hifi into echo
add missing cstring include for memcpy
conditional cleanup in Agent to re-fire PRB
Merge pull request #493 from birarda/echo

add back audio echo option
Merge branch 'master' of https://github.com/worklist/hifi
Set head bone rotation from head orientation.