Changelog:
a16bb2b README-MULTISITE: fix old conflict
da5c093 facts: explicitly disable facter and ohai
4e3301d ceph-osd: exit gracefully when no data partition
90f3f61 infra: introduce docker to podman playbook
6daa2c9 doc: add a note about deprecated branches
15f03e6 doc: add a note about containerized deployments
2b65285 doc: fix warning treated as an error