add a logrotate.d conf file to rotate log files

This only affects the rsyslog central server as log files are not
rotated in this subdirectory by default.

Reference https://github.com/rcbops/chef-cookbooks/issues/756

(cherry picked from commit 3e4259fa212db2927e4714b989d4539a23894ba5)
Merge pull request #15 from claco/v4.1.4rc

Merged automatically by jenkins after successful build test