Sync with maint

* maint: Update draft release notes to 1.8.2.2 completion: remove duplicate block for "git commit -c" cherry-pick/revert: make usage say '<commit-ish>...'

Junio C Hamano committed Apr 24, 2013 at 16:30 UTC 2d0b07178d548fd23954e3a6444f1d4d2d8b3a40

No changes.