some include renaming, added raw attributes

src/polymesh/algorithms/cache-optimization.hh

src/polymesh/algorithms/components.hh

src/polymesh/algorithms/interpolation.hh

src/polymesh/algorithms/normalize.hh

src/polymesh/algorithms/topology.hh

src/polymesh/algorithms/tracing.hh

src/polymesh/attributes.hh

src/polymesh/attributes/flags.hh

src/polymesh/attributes/partitioning.hh

src/polymesh/attributes/raw_attribute.hh

src/polymesh/detail/topology_iterator.hh

src/polymesh/detail/unique_array.hh

src/polymesh/formats/obj.hh

src/polymesh/formats/off.hh

src/polymesh/formats/ply.hh

src/polymesh/formats/stl.hh

src/polymesh/impl/impl_attributes.hh

src/polymesh/impl/impl_cursors.hh

src/polymesh/impl/impl_low_level_api_base.hh

src/polymesh/impl/impl_low_level_api_mutable.hh