Comment 2 for bug 600499

v2 of my patch. Based on comments received privately:

o dbus is already started on local filesystems, "start on started dbus"
   is sufficient
o removed /etc/default/connman altogether because upstart scripts should not use that file. this is an inconvenience for the users, but didn't find a proper solution to this.
o checked that fork works properly and upstart has correct pid