Use glDrawRangeElements, which indicates the range of used indices.  It may or
may not make a difference in performance, but it won't hurt.
starting a rework of Head renderer
Merge remote-tracking branch 'upstream/master'
operating on head. patient under anesthesia
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/worklist/hifi
Added basic capsule/sphere collisions between avatar and voxels.
Only do collision checking for own avatar.
Compute nodes' enclosing radius in the same place.
Merge pull request #366 from ey6es/master

Added basic capsule/sphere collisions between avatar and voxels; added casted getter for Application instance; switched to glDrawRangeElements for voxel rendering.
Merge pull request #365 from PhilipRosedale/master

Made Transmitter it's own class, removed V1 Transmitter code (Glass and Android)
temporary hack fix to busted build
Merge pull request #368 from ZappoMan/master

Stub implementation of Transmitter class to fix busted build
cleaned up a lot of pitch/yaw/roll confusion in Head and made new versions of eyes, eyebrows and mouth (Head still needs work)
Merge remote-tracking branch 'upstream/master'
remove unused variable in Audio
Merge pull request #370 from birarda/master

remove unused varible in Audio
cleaned up formatting stuff
Merge remote-tracking branch 'upstream/master'
Merge pull request #369 from Ventrella/master

cleaned up pitch/yaw/roll confusion in Head