updated version to 2.5
Merge branch '2.4'

* 2.4:
  [Debug] fixed unit tests
  Avoid notice from being *eaten* by fatal error.
  Teardown used wrong property
  Modified guessDefaultEscapingStrategy to not escape txt templates
  Fix DateType for 32bits computers.
  Fixed the registration of validation.xml file when the form is disabled
  fixed lexing expression ending with spaces
  Fixes #9633, Removed dependency to Symfony\Bundle\FrameworkBundle\Tests\TestCase
  [Validator] Replaced inexistent interface.
  [HttpKernel] Fix profiler event-listener usage outside request stack context
  When getting the session's id, check if the session is not closed
  Fix undefined offset when formatting namespace suggestions
  Adjusting CacheClear Warmup method to namespaced kernels
Merge branch '2.4'

* 2.4:
  fixed PSR-0 issues
Merge branch '2.4'

* 2.4:
  udpated LICENSE year
  update year on licenses
  rundown and typo fix
  [Process] Fix #9861 : Revert TTY mode
  [Form] Update minimal requirement in composer.json
  Fix Empty translations with Qt files
  [Console] Fixed command name guessing if an alternative is an alias.
  Update UPGRADE-2.3.md to account for #9388
  [WebProfilerBundle] Fixed profiler toolbar icons for XHTML.
  [BrowserKit] Throw exception on invalid cookie expiration timestamp
  [Propel1Bridge][ModelChoiceList] add exception message for invalid classes
Merge branch '2.4'

* 2.4: (35 commits)
  Update validators.ro.xlf
  add non-standard port to HTTP_HOST
  fixed attribute "source-language" for translations
  [Process] clarify idle timeout
  [Security] fix DI for SimpleFormAuthenticationListener
  Update PluralizationRules.php
  Update validators.pt_BR.xlf
  Translated remaining items (57-72)
  Updated Vietnamese translation
  allow null value in fragment handler
  added missing dot in translation
  updated Arabic translations
  Update validators.id.xlf
  [Validator] Translate validator messages into Brazilian Portuguese
  Added more Swedish validator translations
  Update validators.ca.xlf
  fixed typos in Welsh translation
  Added missing Croatian translations
  [Form] fixed allow render 0 and 0.0 numeric input values
  Fixed validators.nl.xlf
  ...

Conflicts:
	src/Symfony/Bridge/Twig/composer.json
Merge branch '2.4'

* 2.4:
  fixed various inconsistencies
  reduced recursion when building DumperPrefixCollection
  renamed variables - making next change more readable
  removing dead code.
  [ExpressionLanguage] added some tests for the built-in constant() function
  [ExpressionLanguage] added some documentation about functions
  [DomCrawler] Fixed filterXPath() chaining
  [DomCrawler] Fixed incorrect handling of image inputs
Merge branch '2.4'

* 2.4:
  [Form][2.3] Fixes empty file-inputs getting treated as extra field.
  changed some PHPUnit assertions to more specific ones
  fixed Kernel::stripComments() normalizing new-lines
  added a BC comment
  Update FileLoader to fix issue #10339
  bumped Symfony version to 2.3.12
  updated VERSION for 2.3.11
  update CONTRIBUTORS for 2.3.11
  updated CHANGELOG for 2.3.11
  Throw exception when unable to normalize embedded object
  Fixed evaluation of short circuit operators
  Follow-up to #10312: Fixed minor performance related issues in Yaml\Inline.
  [2.4][HttpKernel] Fix issue #10209 When the profiler has `only_exception` option activated and a subrequest throw an exception, the parent profile cannot be found.