Merge pull request metacpan#877 from metacpan/oalders/changes

Add CHANGES.md to list of possible changes files. (See Perl::Tidy)

Author: oalders

lib/MetaCPAN/Document/File/Set.pm

@@ -624,6 +624,8 @@ sub find_changes_files {
         ChangeLog.pod
         CHANGES
         Changes
+        CHANGES.md
+        CHANGES.markdown
         CHANGES.pm
         Changes.pm
         CHANGES.pod