Update OpenEXR to 2.0.1, this seems to fix some issues.

I *really* have to go back over all our patches in this script and try to port them back in respective projects!

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@60953 954f8c5b-7b00-dc11-b283-0030488c597c