using jackson to serialise dedup configurations
reintegrated branch solr75 -r53788:HEAD
using solr 4.9
fixed path to authors
getting rid of person entities
upgraded solr version to 6.6.0, inherit from snapshot parent
more logging
updated workflow for the claim part
added param declaring the oozie job action names to be reported back to the workflow logger
codebase used to migrate to java8 the production system