eliminate a prereq by testing distmeta directly
now using [Git::Contributors]
remove unneeded outer block in these tests; canonicalize whitespacing
better diagnostic output on failure
our 0.22 release broke [MakeMaker::Fallback]'s munging of eumm_version
add a log line when we do our main work
Dist-Zilla-Plugin-MakeMaker-Awesome-0.24

    - add x_breaks metadata, and a test that checks it, for
      [MakeMaker::Fallback] versions that we broke with our changes to
      eumm_version handling