server: set persistent flag only when requested
fsm: Update <client-in|statefo> on device-ready event
Merge pull request #334 from pwieczorkiewicz/no-persistent

Set client-info and client-state earlier, do not auto detect persistance
iflist: added utils to refresh addrs/routes only
dhcp6: do not break ifdown if release fails (bnc#884012)

When the interface is not ready to send out a lease release,
commit the lease drop and notify wickedd, so ifdown goes on.
Merge pull request #338 from mtomaschewski/dhcp-release

dhcp6: do not break ifdown if release fails (bnc#884012)
ifdown: flush addrs and routes on device-down (bnc#885236)
Merge pull request #339 from mtomaschewski/ifdown-flush

ifdown: flush addrs and routes on device-down (bnc#885236)