fix authchoice.js
add aggregation, stats and suggester to elasticsearch

fixes #4452, close #4452
Add support for elasticsearch suggestions

close #4505
Add support for elasticsearch delete by query

close #4487
CHANGELOG
updated UPGRADE [skip ci]
Fixes #4984.
Merge pull request #4982 from diiimonn/feature

fix authchoice.js
removed old test
Fixes #4986
send accept header for debug toolbar. [skip ci]
Updated Russian framework messages
Renamed translations → translation-workflow.md