moved constructor
first cut at exists bits
added exists bits to avatar data
Merge branch 'master' of https://github.com/worklist/hifi into voxel_animation

Conflicts:
	libraries/avatars/src/AvatarData.cpp
latest hacking
Merge branch 'master' of https://github.com/worklist/hifi into voxel_animation
starting a rework of Head renderer
Merge remote-tracking branch 'upstream/master'
operating on head. patient under anesthesia
Merge remote-tracking branch 'upstream/master'
getting closer to working delete
removed UI for want exists bits, defaults to true
remove dead code, comment cleanup
code cleanup
code cleanup
code cleanup
cleanup code
cleanup code
cleanup code
cleanup code