CHANGELOG for 5.1.x

This changelog references the relevant changes (bug and security fixes) done in 5.1 versions.

5.1.0 (2019-05-03)

Added compatibility with Symfony 4.2.
Added autowiring support for Elastica\Client.
Added Pagerfanta 2.0 support.
Added optional routing in ObjectPersister::deleteById.
Added refresh options for persisters.
Added index name to TransformEvent document.
Added many unit tests.
Added index templates support.
Change method visibility in Configuration to private.
Handle multiline strings in ElasticaLogger.
Fixed pagination of ORM queries when populating.
Profile panel redesign.
Updated documentation files.
Dropped PHP 5.6 support.