[doc fix] `--pidfile` is now called `--pidFile`
[doc fix] `--pidfile` is now called `--pidFile`

jotham/forever,rbramwell/forever,rbramwell/forever,Jonekee/forever,rakyll/forever,saisai/forever,saisai/forever,jqk6/forever,ContinuumIO/forever,jqk6/forever,vcarrera/forever,nguyen-tien-mulodo/forever,kethle/forever,kethle/forever,arnabsinha4u/demo-documentation,yyx990803/forever,jotham/forever,nguyen-tien-mulodo/forever,rakyll/forever,ContinuumIO/forever,foreverjs/forever,foreverjs/forever,arnabsinha4u/demo-documentation,JJediny/forever,vcarrera/forever,ryan321/forever,yyx990803/forever,Jonekee/forever,ryan321/forever,JJediny/forever