[Filesystem] Check number of bytes copied.
add overwrite flag to allow non-decorated output
[DependencyInjection] Added exception to avoid fatal during compile in a frozen dumped container
new helper commands for PHP's built-in server
[Filesystem] Added a lock handler
Make sure HttpCache is a trusted proxy
Use getPathname() instead of string casting to get BinaryFileReponse file path
bug #11837 Use getPathname() instead of string casting to get BinaryFileReponse file path (nervo)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #11837).

Discussion
----------

Use getPathname() instead of string casting to get BinaryFileReponse file path

According to the code, should be "File" instead of "\SplFileInfo"

Commits
-------

e1eb788 Use getPathname() instead of string casting to get BinaryFileReponse file path
[Tests] PHPUnit Optimizations
minor #11964 [Tests] PHPUnit Optimizations (lyrixx)

This PR was merged into the 2.4 branch.

Discussion
----------

[Tests] PHPUnit Optimizations

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
-------

957fbb2 [Tests] PHPUnit Optimizations
[HttpFoundation] fixed some volatile tests
[HttpKernel] fixed a volatile test
[Process] fixed some volatile tests
minor #11966 [HttpFoundation] fixed some volatile tests (fabpot)

This PR was merged into the 2.3 branch.

Discussion
----------

[HttpFoundation] fixed some volatile tests

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | see #11588
| License       | MIT
| Doc PR        | n/a

Commits
-------

00c1b75 [Process] fixed some volatile tests
974bf01 [HttpKernel] fixed a volatile test
6020c43 [HttpFoundation] fixed some volatile tests
fixed CS
[FrameworkBundle] Determine templating.engine.php scope as late as possible
Merge branch '2.3' into 2.4

* 2.3:
  fixed CS
  [Process] fixed some volatile tests
  [HttpKernel] fixed a volatile test
  [HttpFoundation] fixed some volatile tests
  Use getPathname() instead of string casting to get BinaryFileReponse file path

Conflicts:
	src/Symfony/Bundle/FrameworkBundle/Command/ConfigDumpReferenceCommand.php
	src/Symfony/Bundle/FrameworkBundle/Command/ContainerDebugCommand.php
	src/Symfony/Bundle/FrameworkBundle/EventListener/SessionListener.php
	src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php
	src/Symfony/Component/ClassLoader/Tests/ApcUniversalClassLoaderTest.php
	src/Symfony/Component/Config/Definition/ReferenceDumper.php
	src/Symfony/Component/Config/Tests/Definition/Dumper/YamlReferenceDumperTest.php
	src/Symfony/Component/Console/Application.php
	src/Symfony/Component/Console/Tests/ApplicationTest.php
	src/Symfony/Component/Filesystem/Exception/IOException.php
	src/Symfony/Component/Form/Extension/Templating/TemplatingExtension.php
	src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/NumberToLocalizedStringTransformerTest.php
	src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
	src/Symfony/Component/HttpKernel/Tests/Bundle/BundleTest.php
	src/Symfony/Component/HttpKernel/Tests/Fragment/RoutableFragmentRendererTest.php
	src/Symfony/Component/HttpKernel/Tests/Profiler/Mock/RedisMock.php
	src/Symfony/Component/Intl/NumberFormatter/NumberFormatter.php
	src/Symfony/Component/PropertyAccess/PropertyAccessor.php
	src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorCollectionTest.php
	src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php
	src/Symfony/Component/Routing/Matcher/Dumper/ApacheMatcherDumper.php
	src/Symfony/Component/Routing/Tests/Annotation/RouteTest.php
	src/Symfony/Component/Routing/Tests/Loader/AnnotationClassLoaderTest.php
	src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
	src/Symfony/Component/Validator/Constraints/CollectionValidator.php
	src/Symfony/Component/Validator/Tests/ExecutionContextTest.php
Merge branch '2.4' into 2.5

* 2.4:
  fixed CS
  [Process] fixed some volatile tests
  [HttpKernel] fixed a volatile test
  [HttpFoundation] fixed some volatile tests
  [Tests] PHPUnit Optimizations
  Use getPathname() instead of string casting to get BinaryFileReponse file path

Conflicts:
	src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/full.php
	src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/SessionController.php
	src/Symfony/Component/ClassLoader/Tests/ApcUniversalClassLoaderTest.php
	src/Symfony/Component/Console/Formatter/OutputFormatterStyle.php
	src/Symfony/Component/HttpKernel/DataCollector/LoggerDataCollector.php
	src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
	src/Symfony/Component/HttpKernel/Tests/DataCollector/LoggerDataCollectorTest.php
	src/Symfony/Component/HttpKernel/Tests/DataCollector/RequestDataCollectorTest.php
	src/Symfony/Component/HttpKernel/Tests/Debug/TraceableEventDispatcherTest.php
	src/Symfony/Component/Process/Tests/AbstractProcessTest.php
	src/Symfony/Component/Routing/Matcher/Dumper/PhpMatcherDumper.php
	src/Symfony/Component/Routing/Tests/Generator/UrlGeneratorTest.php
	src/Symfony/Component/Security/Acl/Dbal/MutableAclProvider.php
	src/Symfony/Component/Security/Core/Authentication/Provider/PreAuthenticatedAuthenticationProvider.php
	src/Symfony/Component/Security/Http/Tests/Firewall/SwitchUserListenerTest.php
	src/Symfony/Component/Serializer/Tests/Normalizer/GetSetMethodNormalizerTest.php
	src/Symfony/Component/Translation/Tests/Dumper/IcuResFileDumperTest.php
	src/Symfony/Component/Validator/Constraints/ChoiceValidator.php
	src/Symfony/Component/Validator/Constraints/CollectionValidator.php
	src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/IsbnValidatorTest.php
	src/Symfony/Component/Validator/Tests/ValidationVisitorTest.php
	src/Symfony/Component/Yaml/Parser.php
added missing use statement
added missing use statement