Expose ResolveTargetDocumentListener in configuration
Bump doctrine/mongodb-odm requirement
Fixes "event_listener" tag for "resolve_target_documents" configuration
Make resolve_target_document config node declaration consistent
Fix indentation
Make XML config fixtures consistent
Merge pull request #197 from doctrine/3.0-ResolveTargetDocumentListener

Expose ResolveTargetDocumentListener in configuration
Create 3.0.x changelog with BETA5 and BETA6 PR lists
Unset username and password options when null (fixes #243)
Unit test for unsetting null password/username options
Merge pull request #249