added subdiv support to tutorial06_ispc
tutorial06 works with subdiv geometry
bugfix in tutorial06 tri to subdiv conversion
various bugfixes
BufferT was copied and thus double freed when used with parallel_prefix_sum.
Making BufferT non-copyable.
noForcedSubdivision was not always properly set in catmullclark_patch.h
updates
tutorial06 supports enabling subdiv conversion at command line (-subdiv)
Merge branch 'devel' of https://github.com/embree/embree into devel