- Ensure that mobile broadband cards are powered up before trying to use
        them
    - Hostname changing support (rh #441453)
    - Fix mobile broadband secret requests to happen less often
    - Better handling of default devices and default routes
    - Better information in tooltips and notifications
    - Various UI cleanups; hide widgets that aren't used (rh #465397, rh
        #465395)
    - Accept different separators for DNS servers and searches
    - Make applet's icon accurately reflect signal strength of the current AP