Log Message:
www/ruby-puma: update to 3.11.4

## 3.11.4 / 2018-04-12

* 2 features:
  * Manage puma as a service using rc.d (#1529)
  * Server stats are now available from a top level method (#1532)
* 5 bugfixes:
  * Fix parsing CLI options (#1482)
  * Order of stderr and stdout is made before redirecting to a log file (#1511)
  * Init.d fix of `ps -p` to check if pid exists (#1545)
  * Early hits bugfix (#1550)
  * Purge interrupt queue when closing socket fails (#1553)