Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- qemu-storage-daemon: Remove QemuOpts from --object parser
- monitor: Fix order in monitor_cleanup()
- Deprecate the sheepdog block driver

# gpg: Signature made Thu 15 Oct 2020 15:48:10 BST
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream:
  block: deprecate the sheepdog block driver
  block: drop moderated sheepdog mailing list from MAINTAINERS file
  monitor: Fix order in monitor_cleanup()
  qemu-storage-daemon: Remove QemuOpts from --object parser
  qom: Add user_creatable_print_help_from_qdict()
  qom: Factor out helpers from user_creatable_print_help()
  keyval: Parse help options
  keyval: Fix parsing of ',' in value of implied key
  test-keyval: Demonstrate misparse of ',' with implied key
  keyval: Fix and clarify grammar

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>