Merge branch 'stable-2.15'

* stable-2.15:
  AbstractElasticIndex: Make type field protected
  ElasticReindexIT: Add tests against Elasticsearch version 6
  Elasticsearch: Add tests for queries against version 6
  Elasticsearch: Add support for V6 / one index type

Change-Id: I245bf98456a1a088470d3249ad29a7c58e8f92b8
tree: 35e087a032fd2442839592e1db9a9e5b4a114c7b
  1. java/
  2. javatests/