completion: suggest sequencer commands for revert
completion: suggest sequencer commands for revert

Signed-off-by: Thomas Braun <7000841a8f021c99d1bd30c7d450f7fe199f5032@virtuell-zuhause.de>
Acked-by: Ramkumar Ramachandra <5c355d1d38066ed0c5de420d67c1b5ed0687c4bd@gmail.com>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git