* [ADDED] Admin Panel Setting for max age for notifications
* [ADDED] Cronjob to clean out old notifications
* [ADDED] New cron to scripts and monitoring
Fixes#1672 once merged.
* Added new SQL file to update tokentypes table
* Added new function to base class
* Renamed function in base class used in shares class
* Added new error code
* Added new cronjob to delete expired tokens
* Added new cronjob to run-cron scripts and monitoring page
* Added new function to tokentype class
* Added new function to token class
Will address #1181 once merged.