add back reporter cronjob

etc/cron.d/report-xcache-chicago

+# Report xcache file access statistics to ES in Chicago every 30 minutes
+0,30 * * * * xcache systemctl is-active --quiet xcache.service && timeout 900 singularity exec -B /etc/xrootd:/etc/xrootd:ro -B /etc/grid-security:/etc/grid-security:ro -B /srv/xcache:/data:rw /var/local/xcache/xcache.img /var/local/xcache/run_reporter.sh || echo "Exited with $?"