fsm: Add ni_ifworker_iftype_from_xml()
fsm: Generate default configs for ports/slaves (bnc#889666)
Merge pull request #371 from pwieczorkiewicz/no_config

Generate default configs for ports, slaves and lowerdevs when missing
remove extra newline in nanny debug output

Signed-off-by: Olaf Hering <olaf@aepfle.de>