* include/NetworkManager.h
introspection/nm-device.xml
- Add device state change reason for carrier changes
* src/nm-device-ethernet.c
- (set_carrier): use the carrier change reason when changing device
state in response to carrier changes
git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@4203 4912f4e0-d625-0410-9fb7-b9a5a253dbdc