• add several strict and warnings equivalents & make it easy to
  add more
  
• fix when Moose is used and strict is not used
  
• add info about "MIN_PERL_VERSION"
  
• better remedy for metayml_declares_perl_version
  
• metayml_declares_perl_version moved from experimental to extra
  some pod improvements (jquelin)
  
• fix rt#65903 - no more "Test::YAML::Meta::Version" on CPAN
  (jquelin)
  
• replace YAML::Syck with YAML::Any (jquelin)
  
• no_symlinks checks only files in MANIFEST, use "maniread" in
  ExtUtils::Manifest (rurban)
  
• add more equivalents for use_strict and use_warnings tests
  (doherty)
  
• implement valid_signature metric (daxim)