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

[Cron Daemon]

'sid-strict/master.log' -> 'sid-strict/master.20180618.log'
'buster-rcmd/master.log' -> 'buster-rcmd/master.20180618.log'
stretch2bpo/master.20180617.log: 55.9 KiB / 1050.1 KiB = 0.053
stretch-rcmd/master.20180617.log: 59.7 KiB / 1039.5 KiB = 0.057
'wheezy2jessie/master.log' -> 'wheezy2jessie/master.20180618.log'
'wheezy2bpo2jessie/master.log' -> 'wheezy2bpo2jessie/master.20180618.log'