updated version to 2.5
Merge branch '2.4'

* 2.4:
  [HttpKernel] fixed regression introduced in 2.4 in the base DataCollector class. Added more unit tests coverage for the RequestDataCollector object.
  Fixed mistake in upgrade docu
  bumped Symfony version to 2.4.0
  updated VERSION for 2.4.0-RC1
  updated CHANGELOG for 2.4.0-RC1
  Container::camelize also takes backslashes into consideration
  fixed typos
  fixed @expectedException class names
  Fix an issue when overriding Client::setServerParameters() and using the getContainer() method in it.
  fixed some typos
  fixed @expectedException class names
  Typo and better wording for german validator translation
Merge branch '2.4'

* 2.4:
  updated Composer suggested packages
  updated VERSION for 2.2.11
  update CONTRIBUTORS for 2.2.11
  updated CHANGELOG for 2.2.11
  Fixed typo in phpdoc
  Default form.csrf_protection.enabled to csrf_protection.enabled
  Handled the scenario when no entity manager is passed with closure query builder.
  Enabled csrf_protection by default if form.csrf_protection is enabled
  [HttpKernel] made a small optimization to Bundle initialization
  minor optimalization at bundle initialization
  [EventDispatcher] tweaked README
  removed observer pattern, in favour of mediator
  [DoctrineBridge] normalized class names in the ORM type guesser
  Fix `extract` method to avoid recalculating count() for each iteration.
  [Debug] ensured that a fatal PHP error is actually fatal after being handled by our error handler
  use the correct class name to retrieve mapped class' metadata and repository
  [WebProfilerBundle] Fixed js escaping in time.html.twig
Allow cache drivers that are not an EM's child
Merge branch '2.4'

* 2.4:
  fixed CS
  fixed a typo
  fixed CS for lambdas
  [Yaml] fixed some license headers
  Fixes message value for objects
  Check for hour, minute & second validity
  avoid tables to have apparently long blank line breaks and be too far appart for long nested array params
  fixed various typos
  [Filesystem] Fixed mirror for symlinks
  [Validator] Removed duplicated test for IBAN in data provider
feature #9833 [Bridge] [DoctrineExtension] Allow cache drivers that are not an EM's child (FabioBatSilva)

This PR was merged into the 2.5-dev branch.

Discussion
----------

[Bridge] [DoctrineExtension] Allow cache drivers that are not an EM's child

| Q             | A
| ------------- | ---
| Bug fix?      | [no]
| New feature?  | [yes]
| BC breaks?    | [no]
| Deprecations? | [no]
| Tests pass?   | [yes|]
| Fixed tickets | []
| License       | MIT
| Doc PR        | [https://github.com/doctrine/doctrine2/pull/808, https://github.com/doctrine/DoctrineBundle/pull/224]

Commits
-------

7528e4c Allow cache drivers that are not an EM's child
Merge branch '2.4'

* 2.4:
  fixed typos
  Fixed deprecated method calls
  Add testing against HHVM at Travis-CI
  Fixed typo
  Fixed typo
  Fixed typo
  fixed acronyms
  [Validator] Fixed IBAN validator with 0750447346 value

Conflicts:
	src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
Merge branch '2.4'

* 2.4:
  fix some cs
  use restore_error_handler instead of set_error_handler($previous)
  fix #9321 Crawler::addHtmlContent add gbk encoding support
  [Console] fixed column width when using the Table helper with some decoration in cells
  [Security] Fixed problem with losing ROLE_PREVIOUS_ADMIN role.
  Fix for cache-key conflict when having a \Traversable as choices
  [Security] removed obsolete comment
Merge branch '2.4'

* 2.4:
  [Security] fixed pre/post authentication checks
  fixed missing use statements
  Updated lithuanian validator translation: changed vartotojas to naudotojas as it is more proper term.
  Fixed CSS
  [Intl] Added round support for ROUND_CEILING, ROUND_FLOOR, ROUND_DOWN, ROUND_UP
  [HttpFoundation] Throw proper exception when invalid data is passed to JsonResponse class
  addressed == -> === suggestion
  Fixed #9020 - Added support for collections in service#parameters
  fixes PSR-0 issues in tests
  adjusted behavior to always copy override on url files
  Skips test that need full lib-intl.
Merge branch '2.4'

* 2.4:
  fixed PSR-0 issues
fixed PSR0
Merge branch '2.4'

* 2.4:
  removed unneeded use statements
  [DoctrineBridge] Fixed an issue with DoctrineParserCache
  removed unneeded use statements
  Prepend Child Bundle paths before the parent
  [Routing] add unit tests for Symfony\Component\Routing\RequestContext class
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
[Validator] Checked the constraint class in constraint validators