Merge branch 'stable-3.10'

* stable-3.10:
  Do not SPAM pull_replication_log when updating drafts
  ApplyObjectCommand: fix typo in exception message
  Add tests for asynchronous fetch replication
  Make the replication of deletion more prominent in logs
  Do not wait for async fetches to be completed
  Delete refs as part of the replication queue execution
  Introduce FetchRefSpec over the whole replication queue processing
  Ban synchronous ref-delete via apply-object(s)
  Avoid NPE when creating a project without initial revision data

Change-Id: Ie9e1ec18ae5f988f6cd56e2c3a7a61db77fd4276