Working on metavoxel averaging.  Still pretty rough.
Playing around with using points to represent distant voxel surfaces.
More fiddling with averages.
Added option to display Hermite data
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Provide the option to display lower detail metavoxel data as points.
Remove the "render lower detail as points" option.  It doesn't seem too
promising.
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Merge pull request #3563 from ey6es/metavoxels

Basic averaging for dual contour data, added option to display Hermite data.