Recordings synchronisation : warn user when cron is disabled or not working

We are seeing more an more complains about the recordings not showing up because cron is disabled. It is OK, we knew that and the documentation is already there. BUT, chatting with other folks from the BBB community, one suggested to warn system administrators if cron is not enabled.
Two directions :

1. some sort of state (perhaps the status itself), passing from AWAITING to PROCESSING when the task is scheduled, and only passing it to PROCESSED when it finishes.
2. As per the cron not enabled, there is a warning on the notification page when it has not run for more than x minutes, we might be able to replicate this.