SAK-20384 Upgrade the pom.xml to Quartz 1.8.

Also upgrade the SQL for creating the tables for Quartz 1.8 along with upgrade scripts. This needs the change in master to build correctly.

git-svn-id: https://source.sakaiproject.org/svn/jobscheduler/branches/SAK-20384@124975 66ffb92e-73f9-0310-93c1-f5514f145a0a