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

[Cron Daemon]

'experimental/master.log' -> 'experimental/master.20170928.log'
'sid2experimental/master.log' -> 'sid2experimental/master.20170928.log'
'sid-strict/master.log' -> 'sid-strict/master.20170928.log'
'jessie2stretch-rcmd/master.log' -> 'jessie2stretch-rcmd/master.20170928.log'
jessie/master.20170927.log: 103.4 KiB / 1043.8 KiB = 0.099
wheezy-security/master.20170927.log: 61.6 KiB / 1039.0 KiB = 0.059