Fixed stale queues when using system-d script

The system-d script was outdated and caused queues to not be processed. When the queue-config file is used, this should no longer cause problems.

I could not verify if sidekiq accepts two -C options, so I've moved the concurrent jobs count to the command. Either way, that is a config option you would want to adjust manually per machine.

Oh yes, this is important. We may other places where this needs updating.

Thanks @bobvandevijver!

Resolved all discussions

Status changed to merged