Merge branch 'stable-3.10' into stable-3.11

* stable-3.10:
  Prevent the synchronous replication of create-refs via apply-object
  Flag ref-updates events creating a new ref
  Fix the create/delete of ref-specs in FetchOne delta
  Report deletions as succeeded in the fetch-ref-replicated events

Change-Id: Iab9798f9327e2661e3c937c16ed8bd0b7cb677b3