Changes

** A workshop on how to do central logging of server logs. using Elasticsearch, Logstash/lumberjack and Kibana. Users will leave with a basic understanding of how to use these three tools to look at logs of all sorts up to and including the tweets.(Francis K.)* Build/improve existing OpenRefine Reconciliation Services** Walk through structure of OpenRefine standard Reconciliation Service, including some existing templates for these, then focus on improving a few existing or creating a few new ones. (Christina Harlow)