updated version to 2.5
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
Merge branch '2.4'

* 2.4:
  [Debug] fixed tests
  ErrorHandlerTest: restore_error_handler() on assertion failure
  Fixed typo
  [validator] throw an exception if isn't an instance of ConstraintValidatorInterface.
  Reset the box model to content-box in the web debug toolbar
  [FrameworkBundle] Allowed "0" as a checkbox value in the php template.
  raising delta on stopwatch as travis really breaks with less than 35
  Switched to correct gender of "Token"
  bumped Symfony version to 2.4.1
  updated VERSION for 2.4.0
  updated CHANGELOG for 2.4.0
  fixed typos in several translations
  [HttpKernel] use static late binding when dumping out container

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

* 2.4: (44 commits)
  [FrameworkBundle] Add missing license headers
  Fix parent serialization of user object
  [DependencyInjection] fixed typo
  added condition to avoid skipping tests on JSON_PRETTY support
  add memcache, memcached, and mongodb extensions to run skipped tests
  [DependencyInjection] Fixed support for backslashes in service ids.
  fix #9356 [Security] Logger should manipulate the user reloaded from provider
  [FrameworkBundle] Added extra details in XMLDescriptor to improve container description
  fixed CS
  Crawler default namespace fix
  [BrowserKit] fixes #8311 CookieJar is totally ignorant of RFC 6265 edge cases
  [HttpFoundation] fixed constants that do exist in 2.3 (only in 2.4)
  fix 5528 let ArrayNode::normalizeValue respect order of value array provided
  fix #7243 allow 0 as arraynode name
  Fixed issue in BaseDateTimeTransformer when invalid timezone cause Transformation filed exception (closes #9403).
  BinaryFileResponse should also return 416 or 200 on some range-requets
  fix deprecated usage and clarify constructor defaults for number formatter
  Bumping dependency to ProxyManager to allow testing against the new 0.5.x branch changes
  Do normalization on tag options
  bumped Symfony version to 2.3.9
  ...
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
Expand tree
Improved form tree
Made sections collapsable
Added error badge
Fixed CS
Vertically centered the icons in the form tree
Improved JavaScript of the form debugger
Inverted toggler images and improved button coloring
Added "use strict" statements
Changed toggle color back to blue and made headlines in the form debugger clickable
Moved toggle icon behind the headlines in the form debugger
Enlarged the clickable area of the toggle button in the form tree
Fixed asset function
Reverted Sfjs.toggle change
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.