Added depth smoothing, experimenting with using depth minimum rather than
mean.
Terminology change to reflect the fact that we're no longer using the mean.
Working on full frame video support.
More work on full frame video.
More work on full frame sending.
Allow cycling between video send modes.
Merge branch 'master' of https://github.com/worklist/hifi into pointy
Merge pull request #752 from ey6es/pointy

Depth smoothing, full frame video support (along with ability cycle between no video, just face, full frame).