Merge branch 'master' of https://github.com/highfidelity/hifi
Switched to Halo gun in gun.js, work in progress on hydraMove to add flying
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/highfidelity/hifi
When PrioVR is connected but head rotation is unavailable, use Faceshift
rotation.
Try smoothing the PrioVR input over a couple of frames.
Fixed compile error.
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)
Add ability to anchor an overlay
Working on joystick support using SDL.
Avoid unused variable warnings in Xcode.
Merge pull request #2863 from ey6es/master

Added alternate IK method for Hydras from code provided by Sixense.
Merge pull request #2864 from Atlante45/fix_jittery_overlays

Add ability to anchor an overlay
First cut at adding external joysticks to the mix.
Merge branch 'master' of https://github.com/highfidelity/hifi into priority