use [Run::*] eval feature to move some shell commands into perl
also test the README.pod generated by the minting process
remove extra line added to minted dist.ini
remove unnecessary import arg
me -> the maintainer(s), us
Git::Check.build_warnings = 1
Dist-Zilla-PluginBundle-Author-ETHER-0.074

          - refer to "the maintainer(s)", rather than "me", in generated
            CONTRIBUTING file
          - use new build_warnings option in [Git::Check]