[DoctrineBridge] update doctrine event listeners doc for Symfony 4.2 change#9973

Merged

javiereguiluz merged 4 commits intosymfony:masterfrom

dmaicher:patch-5

Jun 29, 2018

Commits on Jun 27, 2018

Update event_listeners_subscribers.rst
dmaicher
authored

Commits on Jun 28, 2018

Commits on Jun 29, 2018

Explain that lazy listeners are mandatory, not default
javiereguiluz
authored