typo first->second
Merge branch '2.2' into 2.3

* 2.2:
  fixed CS
  typo first->second
  Fixed variable name used in translation cache

Conflicts:
	src/Symfony/Bundle/FrameworkBundle/Tests/Translation/TranslatorTest.php
	src/Symfony/Component/CssSelector/Node/FunctionNode.php
	src/Symfony/Component/Finder/Tests/Iterator/RealIteratorTestCase.php
fixed CS