* Drop unaccepted (unapplying) coverity patches
* Drop server support for SSH1 (server)
* Workaround #2641 for systemd
* UseLogin is gone
* Drop upstream commit 28652bca
* Tighten seccomp filter (cache credentials before entering sandbox) (#1395288)
* whitespace cleanup
* use constants instead of magic numbers
* get rid of backup_state from old API
* proper conditionalization of audit code
* remove ancient fingerprint_prefix() function