Update to Author::CJM 4.30

  Release tests are now in xt/
  Reformat Changes to match spec
Make compatible with Dist::Zilla 5

  Use encoded_content method
  Assume slurp_file has already decoded content
  Bump version to 5.00
Take advantage of RecommendedPrereqs plugin
Updated Changes for November 13, 2013 release of 5.00