Go ahead and generate mipmaps for all network-loaded textures.  It is the
21st century, after all.
Apply blendshapes to skeleton as well as head.
Merge branch 'master' of https://github.com/highfidelity/hifi
Default blendshape mappings for Mixamo models.
Merge branch 'master' of https://github.com/highfidelity/hifi
Merge pull request #3400 from ey6es/master

Allow skeletons to use blendshapes; provide default mappings for Mixamo models.  Also, generate mipmaps for all textures loaded from network.