Update ElasticSearch dependencies
Current project ES version is too old <= 1.0; update dependency to current version and test generic search extensively
(from redmine: issue id 178, created on 2018-01-22tgradl, closed on 2018-01-22)
Current project ES version is too old <= 1.0; update dependency to current version and test generic search extensively
(from redmine: issue id 178, created on 2018-01-22tgradl, closed on 2018-01-22)