Merge pull request #881 from openbrasil/patch-7

Monit: update dovecot.conf

install/rhel/7/monit/dovecot.conf

@@ -1,3 +1,3 @@
 check process dovecot with pidfile /var/run/dovecot/master.pid
-    start program = "/etc/init.d/dovecot start"
-    stop program  = "/etc/init.d/dovecot stop"
+    start program = "/usr/bin/systemctl start dovecot"
+    stop program  = "/usr/bin/systemctl stop dovecot"