Add changelog

Author: deguif

CHANGELOG-6.0.md

@@ -17,6 +17,8 @@ in 6.0 versions.
 * [BC break] Signature of methods `getPager`, `getOptions` and `getObjectPersister` from interface `FOS\ElasticaBundle\Persister\Event\PersistEvent` were changed.
 * [BC break] Signature of methods `getNbResults`, `getNbPages`, `getCurrentPage`, `setCurrentPage`, `getMaxPerPage` and `setMaxPerPage` from interface `FOS\ElasticaBundle\Provider\PagerInterface` were changed.
 * [BC break] Signature of methods `findPaginated`, `createPaginatorAdapter` and `createRawPaginatorAdapter` from interface `FOS\ElasticaBundle\Finder\PaginatedFinderInterface` were changed.
+* [BC break] Signature of methods `request`, `getIndex`, `getIndexTemplate` and `setStopwatch` from class `FOS\ElasticaBundle\Elastica\Client` were changed.
+* [BC break] Signature of methods `logQuery`, `getNbQueries` and `getQueries` from class `FOS\ElasticaBundle\Logger\ElasticaLogger` were changed.
 * [BC break] Removed `Elastica\Type`.
 * [BC break] Removed `_parent`.
 * [BC Break] Removed `FOS\ElasticaBundle\Persister\Event\Events` class, use class events instead.