[sheepdog] [ANNOUNCE] Sheepdog v0.9.0 release candidate 1

[Hitoshi Mitake]

Hi sheepdog users and developers,

I'd like to announce the release candidate 1 of sheepdog v0.9.0:
https://github.com/sheepdog/sheepdog/releases/tag/v0.9.0_rc1

Any kind of testing would be highly appreciated. Sheepdog 0.9.0 is
planed to be released one week later:
https://github.com/sheepdog/sheepdog/wiki/Stable-branches

Below is a summary of commits introduced since rc0:

Hitoshi Mitake (11):
      Revert "corosync: handle network partition"
      corosync: detect network partition based on left_list_entries
      sheep: forbid double locking by single tgtd
      sheep: treat inode object as a sparse object
      logger: detect death of its parent process in a correct manner
      sheep: let add_vdi_state() be a thread safe
      sheep: compare oid directly
      sheep: rollback vnode info which is younger than last gathered epoch for ec
      tests/functional: a new test for erasure coding recovery
      sheep: exit when vdi bitmap collection is failed
      update CHANGELOG.md for v0.9.0

Vasiliy Tolstov (1):
      initial systemd support


Thanks,
Hitoshi