fsm: added ni_fsm_ifworker_by_policy_name utility
fsm: added a progress notification callback
fsm-policy: validate policy envelope on update
nanny: initial merge of nanny fork changes
client: fire nanny on ifdown when enabled
client: initial merge of nanny ifup and ifdown
library: fixed versioning of internal wicked lib
rpm: removed obsolete pkgconfig(systemd), use unitdir
version 0.5.30