Merge branch 'stable-2.11'

* stable-2.11:
  Align parent links with parents in CommitBox
  Allow scrollable cover messages
  Update Review UI documentation to include new rebase functionality
  ChangeData: check patch set visibility in change mergeability check
  Prevent recursive rebase attempts
  RebaseDialog can now be closed with ESC
  Make use of true as default for copyAllScoresIfNoChange consistent
  Set version to 2.10.1
  Release notes for Gerrit 2.10.1
  Expose extension point for generic OAuth providers

Change-Id: I93af48ce7a600dffc9f73afb9cc8131da26b2a59