Update CPAN to CPAN version 2.00

  [DELTA]

  2013-04-12  Andreas Koenig  <k@UX31A>

   * release 2.00 (at Lancester #QA2013)

   * Removed the trial status for the release in the Makefile.PL

   * Merge with App::Cpan 0.61 (just a version number change)