ifconfig: refresh only addrs + routes on lease update
dbus,ifconfig: disabled interface refreshes
ifconfig: do not refresh all interfaces on creation

Instead to make a full refresh of all interfaces, get just basics
device info of the created interface and let events update the rest.
events: process complete device state change events
events: integrated device-ready in state transition
events: ensure, that objects are created once
wickedd: cleaned up event forwarding artifacts

do not fake down event when delete event arrives.
Merge pull request #340 from mtomaschewski/event-order-4

events: process complete device state change event transitions
nanny: refresh worker on DEVICE_READY
Merge pull request #341 from pwieczorkiewicz/nanny-fix
events: do not delete dbus object immediately

When a device deletion was successfull, we still have to send out
a dbus event about, so do not delete the object immediatelly, but
wait until the next netlink event arrives where we send them.
Merge pull request #342 from mtomaschewski/delete-device

events: do not delete dbus object immediately
fsm: clear hierarchy when destroy worker
ifup: apply wait-for-interfaces in direct ifup
Merge pull request #343 from pwieczorkiewicz/clear_hierarchy

fsm: clear hierarchy when destroy worker
Merge pull request #344 from mtomaschewski/wait-for-interfaces-1

ifup: apply wait-for-interfaces in direct ifup
ifreload: apply wait-for-interfaces in ifreload
Merge pull request #345 from mtomaschewski/wait-for-interfaces-2

ifreload: apply wait-for-interfaces in ifreload
nanny: Refactor ni_objectmodel_nanny_create_policy()

- Accepts only single, non-empty policy node
policy: remove const from ni_fsm_policy_transform_document()