Add stochastic falloff for sending other avatar’s data
Merge pull request #2086 from PhilipRosedale/master

Add stochastic falloff for sending other avatar’s data
present a login window on app start
if the domain-server provides no auth, assume default
populate packet header only once session UUID is received
Merge pull request #2088 from birarda/authentication

always authenticate to default and fix audio-mixer session UUID