[Piuparts-reports] archive_old_logs

[piuparts master]

wheezy
`pass/cantor-backend-r_4:4.7.4-2.log' -> `archive/pass/cantor-backend-r_4:4.7.4-2.log'
`pass/cantor-dbg_4:4.7.4-2.log' -> `archive/pass/cantor-dbg_4:4.7.4-2.log'
`pass/lib32vdpau1_0.4.1-5.log' -> `archive/pass/lib32vdpau1_0.4.1-5.log'
`pass/libmysqlcppconn5_1.1.0-3+b1.log' -> `archive/pass/libmysqlcppconn5_1.1.0-3+b1.log'
`pass/w3m_0.5.3-7.log' -> `archive/pass/w3m_0.5.3-7.log'