Merge branch 'stable-2.14' into stable-2.15

* stable-2.14:
  Move: Return the modified change in JSON response
  Elasticsearch: fix changes index type for bulk calls

Change-Id: I4ecd8cb0e36dc39f376a84eaeede97651b055f83
tree: ed0e362baec1ab9e2b76d995a8a76a69fa18a798
  1. gerrit-acceptance-tests/
  2. gerrit-elasticsearch/
  3. gerrit-pgm/