Fix for NMS-3611 - add parent relationships (path outages) in provisioning WebUI
Fix for NMS-6169 - Null ifSpeed issue (part II)

Improving the message displayed on the logs when a null ifSpeed is
detected.
Merge remote-tracking branch 'origin/1.10' into 1.12
Merge remote-tracking branch 'origin/1.12'

Conflicts:
	opennms-provision/opennms-provisiond/src/main/java/org/opennms/netmgt/provision/service/PhysInterfaceTableTracker.java