Merge branch 'dutch-language' into 'stable-3.1'

Till Brehm

2016-07-09 5693ad5e4b1890e1d159fb21ad27d5687ac76f65

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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"