Class::MOP::load_class is deprecated; Module::Runtime is less hacky anyway
Make Git::CommitBuild compatible with Dist::Zilla 5

  Original patch by Kent Fredric, modified by Karen Etheridge
v2.017

 - remove use of deprecated Class::MOP function (karen etheridge)
 - make Git::CommitBuild compatible with Dist::Zilla 5
   (kent fredric, karen etheridge, & christopher madsen)