Added referentials base class
Added ModelReferential
Extanded FBXService + moved ModelReferential
Added referentials to AvatarData
Work on network streaming of referentials
Moved MyAvatar update at the end of Application::update() to have latest data for simulation
Various tweaks to ModelReferentials
Merge branch 'master' of https://github.com/highfidelity/hifi into referentials
Merge branch 'master' of https://github.com/highfidelity/hifi into referentials
Merge branch 'master' of https://github.com/highfidelity/hifi into referentials
Merge branch 'master' of https://github.com/highfidelity/hifi into referentials
Various tweaks to referentials
Pack/Unpack asymetry fix + added forgotten consts
Added Referential getters + fixed stupid unpacking bug
ModelReferential copy constructor
Few modifications to how avatars update their positions
PR cleanup + JS API
typing error
Correct member initialisation
Merge pull request #3256 from ey6es/metavoxels

Allow configurable block sizes, use back face culling for heightfields, custom expansion for spanner attributes, compute normals in vertex shader.