dbus: add master reference to netdev request
ifconfig: enslave devices referencing a master on linkUp
fsm: Generate master relation for child config
ifconfig: just set masterdev on enslave success
fsm: Do not advance state on DEVICE_DELETE event
objectmodel: drop state file on destroy call
Merge pull request #405 from mtomaschewski/hotplug-bond-slaves

hotplug bond slaves (bnc#884012,bnc#880515)
Merge pull request #406 from pwieczorkiewicz/bond-hotplug

fsm: Do not advance the state on DEVICE_DELETE but remove worker if still there
version 0.6.5