slovenian translation patched
Merge pull request #2071 from peterkokot/patch-1

Slovenian translation patched
use admin's translation domain for delete checkbox

otherwise it's in messages ...
Update HelperController.php

fix bug for postgresql : Invalid text representation: 7 ERROR:  invalid input syntax for integer: """
Update HelperController.php
Improve support for postgresql when objectId="" and not null
improve string concatenation performance (can have an impact depends on the number of Admin)
Merge remote-tracking branch 'sonata-project/master'