[Flash Notifications] make registering the FlashListener configurable
Merge pull request #1288 from christickner/flash_listener_configuration

[Flash Notifications] make registering the FlashListener configurable
Update FOSUserBundle.pl.yml

This one was in "I can has a cheezeburger" style.
Update FOSUserBundle.pl.yml

Missing `,`.
Merge pull request #1348 from emgiezet/master

Update in polish translations FOSUserBundle.pl.yml