dovecot updated to 2.2.5
    
    - added some missing man pages (by Pascal Volk)
    - director: Users near expiration could have been redirected to
      different servers at the same time.
    - pop3: Avoid assert-crash if client disconnects during LIST.
    - mdbox: Corrupted index header still wasn't automatically fixed.
    - dsync: Various fixes to work better with imapc and pop3c storages.
    - ldap: sasl_bind=yes caused crashes, because Dovecot's lib-sasl
      symbols conflicted with Cyrus SASL library.