fix telegraf service (#1252)

CHANGELOG.md

 ## v1.0 [unreleased]
 
+### Release Notes
+
+### Features
+
+### Bugfixes
+
+- [#1252](https://github.com/influxdata/telegraf/pull/1252): Fix systemd service. Thanks @zbindenren!
+
 ## v0.13.1 [2016-05-24]
 
 ### Release Notes

scripts/telegraf.service

@@ -11,7 +11,7 @@ Environment='STDERR=/var/log/telegraf/telegraf.log'
 ExecStart=/bin/sh -c "/usr/bin/telegraf -config /etc/telegraf/telegraf.conf -config-directory /etc/telegraf/telegraf.d ${TELEGRAF_OPTS} >>${STDOUT} 2>>${STDERR}"
 ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
-KillMode=process
+KillMode=control-group
 
 [Install]
 WantedBy=multi-user.target