Switch the Windows test infrastructure to new-run-webkit-tests.
This change makes the following adjustments:
1. Update windows scripting to use new-run-webkit-tests.
2. Turn off MathML tests, which were skipped by old-run-webkit-tests
Created attachment 203704 [details]
The patch itself looks fine. I'll leave the actual r+ to one of the apple folks but I'm a big fan :).
Committed r151230: <http://trac.webkit.org/changeset/151230>