Merge branch 'stable-3.1'

Marius Burkard

2016-01-20 ec64cf5c39c388c297607ba3ac1424f057eafaee

1
2
3
check process hhvm_{SYSTEM_USER} with pidfile /var/run/hhvm/hhvm_{SYSTEM_USER}.pid 
   start program = "/etc/init.d/hhvm_{SYSTEM_USER} restart" 
   stop  program = "/etc/init.d/hhvm_{SYSTEM_USER} stop"