fix the XML config and add the corresponding PHP config
[Cookbook][Security] Update Voters: add class properties
Merge pull request #3206 from xabbuh/fix-monolog-config

fix the XML config and add the corresponding PHP config
Fix typo in the introduction paragraph of the Translations chapter of the Book
Merge pull request #3211 from krizon/patch-1

[Cookbook][Security] Update Voters: add class properties
Merge branch '2.2' into 2.3