[Piuparts-reports] Cron <piupartsm at pejacevic> rotate_master_logs

[Cron Daemon]

'sid2experimental/master.log' -> 'sid2experimental/master.20180613.log'
'stable22sid/master.log' -> 'stable22sid/master.20180613.log'
wheezy2jessie-rcmd/master.20180612.log: 38.0 KiB / 1034.8 KiB = 0.037, 0:01
squeeze2wheezy-lts/master.20180612.log: 55.5 KiB / 1213.0 KiB = 0.046