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

[Cron Daemon]

'sid/master.log' -> 'sid/master.20170910.log'
'stretch/master.log' -> 'stretch/master.20170910.log'
'stretch-rcmd/master.log' -> 'stretch-rcmd/master.20170910.log'
'jessie2stretch/master.log' -> 'jessie2stretch/master.20170910.log'
wheezy2lts/master.20170909.log: 134.6 KiB / 1038.9 KiB = 0.130