[sheepdog] [ANNOUNCE] sheepdog stable release v0.7.3-rc0

[Hitoshi Mitake]

Hi sheepdog users and developers,

I released v0.7.3-rc0 of stable branch. You can download a source
archive from these URLs:
tar.gz: https://github.com/sheepdog/sheepdog/archive/v0.7.3-rc0.tar.gz
zip: https://github.com/sheepdog/sheepdog/archive/v0.7.3-rc0.zip

The most important updates of this release are:
 - some bugfixes for vdi deletion process
 - prevent losing vdi information at cluster initialization sequence
 - remove possibility of segfault in main event loop

If no one complains about this release in 2 days, it will be v0.7.3
officialy.

Below is the summary of commits this release contains.

Hitoshi Mitake (5):
      tests/functional: let check clean directories of passed tests in default
      tests/functional: unmount loopback devices before cleaning directories
      sheep: make the vid deletion proceduer correct order
      sheep: initialize vdi bitmap after completion of reading inode object
      sheep: set bit in vdi_inuse in atomic manner

MORITA Kazutaka (3):
      sheep: don't remove vdi object from object list cache
      sheep: wait until there is no get_vdis work in wait_get_vdis_done()
      event: refresh event info after unregistering

Robin Dong (1):
      fix error-io in sheepfs when using ext4 filesystem


Thanks,
Hitoshi