Comment 8 for bug 893821

For more information:
    The "cat /proc/[...]/environ" method that is used now there... is said to cause problems:
    - "you have multiple hosts"
    - "when more than one X session is used"
    - etc.

    In those two site talk more about it:
        http://www.rootninja.com/dbus-session-bus-address-with-applications-using-ssh/
        http://machine-cycle.blogspot.com/2010/12/ssh-and-dbus-sessions.html