- 0.7.74.9:
    - Set data button state when there is no CUPS connection.
    - Only try to fetch the default printer if we have a CUPS connection
        (Ubuntu #175766).
    - Make the Wait window a top-level window not a pop-up (Ubuntu #175766).
    - When refreshing, try to reconnect if not connected.
    - Refresh server settings after applying changes (bug #421431).
    - applet: fill in number of hours.
    - applet: prompt for driver installation if needed (bug #379321).
    - applet: use job-preserved to control whether reprint is allowed, as with
        the CUPS web interface (bug #423441).