Merge branch 'gs/rebase-allow-empty-message'

"git rebase" learned to take "--allow-empty-message" option. * gs/rebase-allow-empty-message: rebase: add --allow-empty-message option

Junio C Hamano committed Feb 21, 2018 at 12:45 UTC 2f6128daab0764c3915dcc9e01c27381b63f5e40

No changes.