Blender Git Loki

And now the studio is rendering panoramas... finding out that vectorblur
also could use correction for it.
The current perspective projected blur would look in 180 degree view like
this:

http://www.blender.org/bf/p2.jpg
(circle of planes rotating around camera)

After some fight with my rusty highschool gonio I got it fixed; nice
cylindrical projected speedvectors:

http://www.blender.org/bf/p1.jpg