Prise3D/p3d_pbrt-scenes: All pbrt scenes redefined for PrISE3D database @ a27458940aeaa3ceda37a37c5187b327ccbf56f8

Matt Pharr 14f827617c Increase sample counts to reduce noise in a number of scenes.		7 lat temu
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book.exr	14f827617c Increase sample counts to reduce noise in a number of scenes.	7 lat temu
book.png	14f827617c Increase sample counts to reduce noise in a number of scenes.	7 lat temu