add 3D text overlay support
removed debug
cleanup
Improved version of headMove with timed target reveal
CR feedback
Merge pull request #3629 from PhilipRosedale/master

Improved version of headMove with timed target reveal
Merge pull request #3628 from ZappoMan/master

add 3D text overlay support
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Forgot these guys.