[2.6] Remove possible call_user_func()
[2.3] Remove possible call_user_func()
[2.5] Remove possible call_user_func()
Fixed #12845 adding a listener to an event that is currently being dispatched will not result into a fatal error in TraceableEventDispatcher [EventDispatcher]
[DependencyInjection] backport perf optim

Conflicts:
	src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services11.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
[DependencyInjection] perf optim: call dirname() at most 5x
[FrameworkBundle][Template name] avoid  error message for the shortcut notation.
Fixed typo in SecurityContext PHPDoc

Fixed typo in PHPDoc
minor #12895 [Security] Fixed typo in SecurityContext PHPDoc (althaus)

This PR was merged into the 2.6 branch.

Discussion
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[Security] Fixed typo in SecurityContext PHPDoc

Fixes a simple typo.

Commits
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8d7581a Fixed typo in SecurityContext PHPDoc
bug #12894 [FrameworkBundle][Template name] avoid  error message for the shortcut n... (aitboudad)

This PR was merged into the 2.3 branch.

Discussion
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[FrameworkBundle][Template name] avoid  error message for the shortcut n...

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Fixed tickets  | #12249,  #12254
| Tests pass?   | yes
| License       | MIT

Commits
-------

055129c [FrameworkBundle][Template name] avoid  error message for the shortcut notation.
avoid risky tests
fix DumpDataCollectorTest after CS changes

Modify the expected line value which was affected by the move of the
`__LINE__` constant in #12872 to make tests pass again.
Fix missing space in label_attr

``label_attr`` in ``checkbox_radio_label`` is missing a space with ``parent_label_class``
Fixed the proxy-manager version constraint
Fixed the AuthenticationProviderInterface alignment
Fix missing addExpressionLanguageProvider (used by service container to add expression providers)
Fixed deprecation version
fix phpdoc's alignment
[WebProfilerBundle] replaced pattern to path attribute in routes definitions.
minor #12927 Fixed deprecation version (WouterJ)

This PR was merged into the 2.7 branch.

Discussion
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Fixed deprecation version

Passing a file to `Yaml::parse()` is deprecated since 2.2 if I understand http://symfony.com/blog/security-release-symfony-2-0-22-and-2-1-7-released correctly.

| Q   | A
| --- | ---
| Fixed tickets | -
| License | MIT

Commits
-------

5f13343 Fixed deprecation version