policy: Generate match node based on ifworker's children
ifdown: Fix stopping policies in case of ifdown all
ifup: Add ni_ifup_hire_nanny()
nanny: Allow monitor on all link types
ifup: Apply configs to nanny instead of wickedd
remove double service init
fsm: ni_fsm_workers_from_xml() operates on nodes
nanny: create policy creates ifworker of factory device

Nanny call sends the complete config instead of just the name.
Create policy method create an ifworker of factory device.
nanny: Add factory devices handling
nanny: Make FSM and worker writeable
nanny: register newly created devices
Accept device name match against dependent devices
nanny: Fix config origin
client: Make persistent switch working with nanny
Merge pull request #254 from pwieczorkiewicz/nanny_work3

Initial ifup through nanny implementation