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

[Cron Daemon]

'sid-nodoc/master.log' -> 'sid-nodoc/master.20170916.log'
'stable2sid/master.log' -> 'stable2sid/master.20170916.log'
jessie2bpo2stretch/master.20170915.log: 60.6 KiB / 1034.0 KiB = 0.059
wheezy2jessie/master.20170915.log: 92.5 KiB / 1079.0 KiB = 0.086
wheezy2jessie-rcmd/master.20170915.log: 84.4 KiB / 1078.3 KiB = 0.078