Changes to testsuite(2)

Changes to testsuite:
commit d02c1d6f58c61b5642a93c2186dea871536a8b9e
Author: Ben Lippmeier <benl@ouroborus.net>
Date:   Wed Oct 23 16:38:45 2013 +1100

    Don't run opt versions of DPH tests at all

commit 08b63fbbdd417eceb7ad72fb861015e254059975
Author: Ben Lippmeier <benl@ouroborus.net>
Date:   Wed Oct 23 16:28:24 2013 +1100

    Dial back -O level on DPH tests to speed them up

    The DPH backend library will be replaced, so there is no reason to slow down validate in order to test it.