Upgrade Instructions

1. If A server, Make sure we have a backuppc
2. For no downtime edit NGINX to use the B server (if we have a primary and backup)
3. Make sure DB snapshot it updated (if possible within the last 24 hours)
4. Make sure Manager snapshot is within a week old
5. Look at Tomcat access logs for anyone using the site
6. Run update-em9dev.sh 
7. Check logs.sh for any startup issues
8. If the upgrade is more than 15 days old then Settings | Server | reindex database
9. If the upgrade is more than 60 days old then reindex the system catalog Manager | Server | Reindex
10. If error on reindex then old field defs need to be cleared out. Get help from Cristobal