Merge branch 'master' of git+ssh://db.debian.org/git/userdir-ldap

* 'master' of git+ssh://db.debian.org/git/userdir-ldap:
  fix
  userdir-ldap-slapd.conf.in: explicitly list readable attributes.  End with 'by * none'.
  ud-generate: Also rebuild if one of our keyrings has changed, even if ldap has not.
  ud-lock: support supplying a status to set instead of 'retiring'