- logging/cache rework
    local:
        ~/.cdist/log/by-host/$__target/host/config/YYYY/MM/DD/hhmmss/
        ~/.cdist/log/by-session/YYYY/MM/DD/hhmmss/$__target_host/
            config/
            install/
            export/
    remote:
        /var/lib/cdist/YYYY-MM-DD-hhmmss-$sourcehost.$pid

- export