updated version to 2.5
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 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
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
Removed all codeCoverageIgnore annotations from the code

These annotations are artificially bumping the code coverage. Unreached
code should be reported in the coverage report, even if we cannot reach
100% coverage for some safeguards.
Thus, some places using them were actually testable (and tested) code.
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: (52 commits)
  Fix #8205 : Deprecate file mode update when calling dumpFile
  Fix #10437: Catch exceptions when reloading a no-cache request
  Fix libxml_use_internal_errors and libxml_disable_entity_loader usage
  removed ini check to make uploadedfile work on gae
  Update OptionsResolver.php
  fixed comment in forms.xml file
  Clean KernelInterface docblocks
  Cast the group name as a string
  Fixed doc of InitAclCommand
  [Form] Fix "Array was modified outside object" in ResizeFormListener.
  Fix IBAN validator
  [Process] Remove unreachable code + avoid skipping tests in sigchild environment
  Fixed bug that incorrectly causes the "required" attribute to be omitted from select even though it contains the "multiple" attribute
  Added travis_retry to .travis.yml
  [Process] fix some typos and refactor some code
  [Process] Fix unit tests in sigchild disabled environment
  [Process] Trow exceptions in case a Process method is supposed to be called after termination
  fixed typo
  [Process] fixed fatal errors in getOutput and getErrorOutput when process was not started
  [Process] Fix escaping on Windows
  ...

Conflicts:
	src/Symfony/Bundle/FrameworkBundle/Command/ServerRunCommand.php
	src/Symfony/Component/Form/Extension/Core/EventListener/ResizeFormListener.php
	src/Symfony/Component/Process/Process.php
	src/Symfony/Component/Process/ProcessPipes.php
	src/Symfony/Component/Process/Tests/AbstractProcessTest.php
Merge branch '2.4'

* 2.4:
  added missing unit test
  fixed too greedy replacements
  fixed protocol-relative URLs
  added override power to server parameters provided on request method
  made parsing controllers more robust
  Fixed YamlFileLoader imports path