* stable-2.11:
  Update cookbook plugin to latest revision on stable-2.11 branch
  Throw NotImplementedException in {Publish|Rebase}ChangeEdit
  REST API: translate NotImplementedException to "501 not implemented"
  Rebase should use Rebase.Input, not PublishDraftPatchSet.Input
  Side-By-Side: Adjust line number when using 'm' to edit commit message
Change-Id: I66bf79835b30bac20fcd33d6ec117848d0e88423