[Piuparts-reports] archive_old_logs

[piuparts master]

wheezy2jessie
`pass/chromium_35.0.1916.153-1.log' -> `archive/pass/chromium_35.0.1916.153-1.log'
`pass/chromium-dbg_35.0.1916.153-1.log' -> `archive/pass/chromium-dbg_35.0.1916.153-1.log'
`pass/chromium-inspector_35.0.1916.153-1.log' -> `archive/pass/chromium-inspector_35.0.1916.153-1.log'
`pass/chromium-l10n_35.0.1916.153-1.log' -> `archive/pass/chromium-l10n_35.0.1916.153-1.log'


wheezy2bpo2jessie
`pass/libu1db-dev_0.1.4-2.log' -> `archive/pass/libu1db-dev_0.1.4-2.log'
`pass/libu1db1_0.1.4-2.log' -> `archive/pass/libu1db1_0.1.4-2.log'
`pass/python-u1db_0.1.4-2.log' -> `archive/pass/python-u1db_0.1.4-2.log'
`pass/u1db-tools_0.1.4-2.log' -> `archive/pass/u1db-tools_0.1.4-2.log'


Archived 8 old logfiles.