Merge branch 'authors-release-3-9' into 'master'
Authors release 3 9
See merge request !224 (merged)
(cherry picked from commit 0415dd18)
ca6197cf Update AUTHORS.md 2a5da45e Update README.md gpl 2 to 3 b8110bb9 Update README.md change to newer link for gpl
Co-authored-by: Leon Keim leon.keim@googlemail.com