535 : Upgrade to Jetty 9 and CometD 3.
536 : Change CometD extension field name for authentication.
538 : Change SMTP default to localhost port 25.
539 : Change IMAP default to port 143 (STARTTLS).
541 : Separate jobs in Direct and Hold Print.
543 : Identify not-configured proxy printers.
544 : Select inbox job for PDF creation and printing.
545 : Use /opt/savapage/ as install directory.
549 : Use OpenJDK 7+ package installed on host.