Got v_diffuser going.

Signed-off-by: David Brainard <brainard@psych.upenn.edu>
Deleted.  This is now obsolete in the new framework.

Signed-off-by: David Brainard <brainard@psych.upenn.edu>
Updated a few more validation files, and created some top level scripts.

Signed-off-by: David Brainard <brainard@psych.upenn.edu>