fixed PHP 5.3 compatibility
Merge branch '2.2' into 2.3

* 2.2:
  [Locale] added support for the position argument to NumberFormatter::parse()
  [Locale] added some more stubs for the number formatter
  [Yaml] fixed typo
  [Yaml] fixed a test on PHP < 5.4
  [DomCrawler]Crawler guess charset from html
  fixed PHP 5.3 compatibility
  [Yaml] reverted previous merge partially (refs #8897)
  [Security] remove unused logger
  [Security] fix typo
  [Yaml] Fixed filename in the ParseException message

Conflicts:
	src/Symfony/Component/Console/Input/InputDefinition.php
	src/Symfony/Component/Locale/Stub/StubNumberFormatter.php
	src/Symfony/Component/Locale/Tests/Stub/StubNumberFormatterTest.php