Update CPAN.pm to 1.94_57

Update CPAN.pm to 1.94_57

  2010-05-24  Andreas J. Koenig  <andk@cpan.org>

        * release 1.94_57

        * bugfix: treat modules correctly that are deprecated in perl 5.12.

        * bugfix: RT #57482 and #57788 revealed that configure_requires
        implicitly assumed build_requires instead of normal requires. (Reported
        by Andrew Whatson and Father Chrysostomos respectively)

        * testfix: solaris should run the tests without expect because (some?)
        solaris have a broken expect

        * testfix: run tests with cache_metadata off to prevent spill over
        effects from previous test runs

Signed-off-by: Chris 'BinGOs' Williams <chris@bingosnet.co.uk>