Play 2.1.0
Updated ProductionConfiguration (markdown)
I first try yo put `conf/prod.conf` so I add a comment on it. Btw, I think Play should always start from / to avoid confusion.
"Changing the path of RUNNING_PID" addition
added "Changing the path of RUNNING_PID" which is about the option "pidfile.path"
Fixing formatting
Working on documentation