• fixed bug in MCK::FindModules reported by JDHEDDEN in RT #22081
  (the module name of modules living in the top-level namespace (eg
  'threads/pm') was not guessed correctly
  
• use META.yml 'provides' (if it exists) instead of guessing module names in
  MCK::FindModules
  
• modifed changelog-regex in MCK::Files as suggested by CDOLAN in
  RT #21999
  
• added MCK::License
  
• moved license checking to MCK::License
  
• added checks for LICENSE file and LICENSE POD section
  
• moved meta_yml parsing to MCK::MetaYML
  
• changed has_license error text after Schwern (and Andreas Koenig) suggested
  that MakeMaker now suppor ts a license field