Merge branch 'master' of https://github.com/highfidelity/hifi
Merge branch 'master' of https://github.com/highfidelity/hifi
send an updated address to data-server with domain (when changed)
Merge pull request #2860 from ey6es/priority

PrioVR tweaks: average over two frames, use Faceshift head rotation when PrioVR one is unavailable.
Merge pull request #2861 from birarda/master

send an updated address to data-server with domain (when changed)
Working on joystick support using SDL.