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

[Cron Daemon]

'experimental/master.log' -> 'experimental/master.20180202.log'
'sid2experimental/master.log' -> 'sid2experimental/master.20180202.log'
'sid-strict/master.log' -> 'sid-strict/master.20180202.log'
'stretch-rcmd/master.log' -> 'stretch-rcmd/master.20180202.log'
jessie2bpo/master.20180201.log: 52.1 KiB / 1033.2 KiB = 0.050
jessie-rcmd/master.20180201.log: 98.8 KiB / 1055.9 KiB = 0.094