wireless: add INTERFACE_DISABLED state
wireless: Add AUTHENTICATING state
Merge pull request #228 from pwieczorkiewicz/wireless-states

Add missing wpa_supplicant intermediate states.
version 0.5.22
addrconf: added optional lease handling flag bitmap
addrconf: propagate handling flags
compat: adjusted redhat backend to compile again
ifup: no timeout on optional leases (bnc#875154)
ifstatus: no failure if peer lease is up (bnc#875154)