Merge branch 'develop'

Merge branch 'develop'

Merge branch 'develop'

Merge branch 'develop'

Merge branch '2.4' into 2.5

* 2.4:
  fix typos
  [HttpKernel] add use statement for phpdoc
  Disabled the PHPUnit self-update on Travis
  [ClassLoader] simplified phpdoc
  [ClassLoader] Add a __call() method to XcacheClassLoader
  fix some minor typos in tests
  [Yaml] fixed mapping keys containing a quoted #
  Added fixture to test parsing of hash keys ending with a space and #
  [Filesystem Component] mkdir race condition fix #11626
  [Validator] reverted permissions change on translation files
  Fixed Factory services not within the ServiceReferenceGraph.
  [CssSelector] Fix URL to SimonSapin/cssselect repo
  [Validator] Fixed wrong translation keys/messages for Collection constraint. The error messages for a missing field and an unexpected field did not match the Contraint class
  [YAML] resolve variables in inlined YAML
  Disallow abstract definitions from doctrine event listener registration

Conflicts:
	src/Symfony/Component/Process/Tests/SigchildDisabledProcessTest.php
	src/Symfony/Component/Yaml/Inline.php

Merge branch '2.4' into 2.5

* 2.4:
  Fixed relative redirects for ambiguous paths
  [BrowserKit] Fix browser kit redirect with ports
  [TwigBridge] [Form] Fixed some extra empty spaces
  Plural fix
  removed some .gitattributes that should have been removed a lot time ago
  [DependencyInjection] fixed missing 'factory-class' attribute in XmlDumper output
  fixed whitespace in Twig form template
  built-in server: exit when docroot does not exist

Conflicts:
	src/Symfony/Bundle/FrameworkBundle/Command/ServerRunCommand.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services9.xml

Merge branch '2.4' into 2.5

* 2.4:
  added missing test
  fixed CS
  [HttpFoundation] Remove content-related headers if content is empty
  bumped Symfony version to 2.4.8
  removed defaults from PHPUnit configuration

Conflicts:
	src/Symfony/Component/HttpKernel/Kernel.php

Merge branch '2.4' into 2.5

* 2.4:
  updated VERSION for 2.4.7
  updated CHANGELOG for 2.4.7
  bumped Symfony version to 2.3.18
  updated VERSION for 2.3.17
  update CONTRIBUTORS for 2.3.17
  updated CHANGELOG for 2.3.17
  added XSD to PHPUnit configuration
  add missing docblock for ProcessBuilder::addEnvironmentVariables()
  bug #11319 [HttpKernel] Ensure the storage exists before purging it in ProfilerTest
  [Translation] Added unescaping of ids in PoFileLoader
  updated italian translation for validation messages
  [DomCrawler] Fix docblocks and formatting.
  [DomCrawler] Remove the query string and the anchor of the uri of a link
  Simplified the Travis test command
  Remove Expression Language services when the component is unavailable
  [Console] Make sure formatter is the same

Conflicts:
	src/Symfony/Component/HttpKernel/Kernel.php

Merge branch 'develop'

Merge branch '2.4'

* 2.4:
  Lower mbstring dependency
  [Console]Improve formatter for double-width character
  Lower mbstring dep, remove it for Yaml and CssSelector components
  [Security] Add check for supported attributes in AclVoter
  [Form] Fixed TrimListenerTest as of PHP 5.5
  Added more IDE links
  [DependencyInjection] Fix parameter description in ConfigurationExtensionInterface
  [Security] fixed wrong PHPDoc of the TokenGeneratorInterface
  [Finder] fixed typehint of the Finder::addAdapter() method
  [TwigBridge][Transchoice] set %count% from the current context.
  [DependencyInjection] Fix travis unit tests
  Update PHPUnit before run
  [Validator] fixed wrong test
  [WebProfilerBundle] added test case for #10773
  [WebProfilerBundle] fixed profiler homepage, fixed #10806
  [WebProfilerBundle] Added test case for #10806
  changed travis to run on the nightly builds of HHVM until everything gets stable
  Fixed issue #5427
  Allow URLs that don't contain a path

Conflicts:
	.travis.yml
	src/Symfony/Component/Console/Application.php