Merge pull request #663 from ZappoMan/occlusion_culling

tweaks to low res moving, made monochrome off by default
print packet version mismatch to Log
reset default packet version to 0
Merge pull request #664 from birarda/master

print packet version mismatch to the log
Less skeleton averaging, can see first person arms
Merge branch 'master' of https://github.com/worklist/hifi
Merge pull request #665 from PhilipRosedale/master

Tweaked skeleton smoothing and arms in view in 1P
fixes sliced-away initialization (crashes program during shutdown when running without audio device)
Merge pull request #666 from tschw/master

fixes sliced-away initialization (crashes program during shutdown...