Blender Git Loki

- Action Modifier; paths now support Speed curve.
http://download.blender.org/demo/test/2.43/0001_0150_speed.avi
By default the Speed maps in the range 0-100 frames, since there's
not an actual time relationship here.

IMPORTANT: this didn't work before, and default Curve Paths have a
speed Ipo, so past saved scenes will work different now!

- Speed curve points are now drawn on the 3D path as well. With select
info for selected points, if Curve Object is active.

- Duplicating Objects with NLA ActionModifiers now also correctly copies
object pointers, so a duplicate works as expected.