Log Message:
Update to 5.0.

    * A "consider new mail as read" action has been added.
    * An optional message count has been added over the icon.
    * A "Play a sound when new mail arrives" option has been added.
    * Passwords are now stored using GNOME Keyring.
    * Gmail label support has been added.
    * Yahoo! Mail support has been added.
    * Windows Live Hotmail support has been added.
    * A number of minor issues have been fixed.
    * And more, see the NEWS file.