grinsfem/grins — pull request #124 by roystgnr (2014-06-13 22:47:30+00:00)
Title: Fix VelocityPenalty, add a regression test

So it turns out that my "eyeball norm" tests were worthless, and so
was the old VelocityPenalty. This test will do as a stopgap and
should be easy to replace with something more analytic when I find
time.