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
Merge branch 'master' into testing