Avatar: add arms and body
Add arms and torso, automatically positioned based on user-supplied up-vector and the head and hand positions.
Remove obsolete cmake code, per !4929 (merged)
Add bounding box calc.
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Add arms and torso, automatically positioned based on user-supplied up-vector and the head and hand positions.
Remove obsolete cmake code, per !4929 (merged)
Add bounding box calc.