Commits:
http://github.com/jeremyselan/OpenColorIO/commit/a764a5f7fb151d13be93107697262a670ba34392


This add kwarg support to most of the transform constructors in
python. Makes it way more convenient to construct profiles in python.

Old:
t = OCIO.FileTransform()
t.setSrc('taco')

New:
t = OCIO.FileTransform(src='taco')

group = OCIO.GroupTransform(transforms)

-- Jeremy