Merge branch 'jk/promote-ggg'

Suggest GitGitGadget instead of submitGit as a way to submit patches based on GitHub PR to us. * jk/promote-ggg: point pull requesters to GitGitGadget

Junio C Hamano committed Apr 10, 2019 at 02:14 UTC 2d3372883f133ef64d3eb678e8e6bfc6ffc6169a

No changes.