Routing condition bugfix
Merge branch '2.4'

* 2.4:
  fixed CS
  allow the TextAreaFormField to be used with valid/invalid HTML
  Create security.id.xlf
  [DependencyInjection] Remove unneeded file
  [Twig] removed obsolete conditions on Twig versions
  added lines to exceptions for the trans and transchoice tags
  [FrameworkBundle] Merged multiple line input into one line to fix the tests.
  [Form] Make FormInterface::add docblock more explicit
  [Security] Add zh_CN translations
  Routing condition bugfix
  [Validator][Translation]update zh_CN translations
  [Validator] Minor fix in XmlLoader