Optional numpy in cmake
Optional numpy support in py cmake files
Create FindNumPy.cmake
Added additional API to get particle data as a NumPy array
Updated getArray to use iterators - faster

+ WIP version of setArray
Added setArray API to set particle attribute data from a NumPy array
C++ style comments
Upgraded getArray() to return 2d arrays

With row size = attribute size
Add support for integer attributes in getArray() / setArray()
Remove old getTuple method, probably redundant now
Initial ROP and SOP versions from Disney.

TODO: merge with miles' versions
TODO: add indexed string support
added indexed string support
ZIP: Fixed memory corruption when reading file header.
starting to add cmake stuff to   partio4Arnold   stuff... doesent work yet.
updates for cmake paths,  and   partio 4 arnold  procedural  fix  for bug  where turning off  motion blur would  not render any points.
updates for cmake paths,  and   partio 4 arnold  procedural  fix  for bug  where turning off  motion blur would  not render any points.
Merge remote-tracking branch 'refs/remotes/wdas/aselle' into redpawfx
added in aiStepSize support for  producing  particles  that can be volume shaded.
Merge remote-tracking branch 'refs/remotes/origin/redpawfx' into redpawfx
took out the  full path expansion on for the procedural path for partioProcedural