notify organizer of expiring pending payments

[cbellone]

The system should notify the organizer of expiring pending payment. So the organizer can optionally extend the expiration date, if required

[syjer]

(notification via email)

[syjer]

The day before the expiration, an email must be sent containing a list of all expiring pending payment, with a link for each of them so they can be extended.

[syjer]

1. run cron job each hour
2. check which event has the hour 5:00 local time of the event
3. select all reservations expiring next day (local day of the event)

TODO:

• template
• send email

[syjer]

done