SPC-845, add collapsed state to history management
Fix SPC-840: ospf discovery failed

Added a test an a better logging.
This was fixed avoiding uniqueness of
node/ifindex on datalinkinterface table

Conflicts:
	opennms-services/src/main/java/org/opennms/netmgt/linkd/AbstractQueryManager.java
Merge branch 'space/13.2' of git://github.com/OpenNMS/opennms into space-13.2
JUNIPER-ONLY: modify the topology default layout and change the opennms.conf and monitoring locations to avoid conflict for upgrade