quarts jars are from http://www.opensymphony.com/quartz

Licensed under the Apache License, Version 2.0 (the "License"); you may not 
use this file except in compliance with the License. You may obtain a copy 
of the License at 
 
    http://www.apache.org/licenses/LICENSE-2.0 
    
The jars: 
 quartz-1.6.0.jar
 
This is version 1.6.0

Used mainly to parse cron expressíons to the timed services in signserver
and to schedule jobs in the mailsigner.