Fix documentation for client overwriting.
Reset / create new index even if the index doesn't exist
Added support for getting documents in unified Doctrine Listener
Added getDoctrineObject method to retrieve an entity or document from a LifecycleEventArgs instance in the unified Listener class
Merge remote-tracking branch 'upstream/master'
Bulk upsert
Allow for catching/logging persistance errors per listener
Set listener loggers to fos_elastica.logger if null
CS fix
Re-throw exception if no logger defined
Logger for a listener is false by default
Merge branch 'nurikabe-master'

Conflicts:
	Resources/doc/types.md
Fix logger option for listeners
Added example to usage.md

Added example for using a custom query builder method to usage.md.
Update CS
Merge pull request #532 from solocommand/master

Added support for getting documents in unified Doctrine Listener
Fixes multiple updates on multiple flush executions
Bump Elastica requirement
Ensure non-empty properties under fields mappings
Merge pull request #534 from dylanschoenmakers/patch-1

Added example to usage.md