first stage of remote queue processing with a secret
suppress debug output
keep buffering on
suppress output when remote processing
return counters as json and pull invalid counter into the counters array
pull failed sent counter into the counters array
trim the api key
centralise the activation of the remote queue and activate on requeueing
pull the sent counter into the counters array
redirect to the queue when the settings are correct
update texts for remote processing setup
add page title
Merge remote-tracking branch 'refs/remotes/origin/3.1.x'