Typo and better wording for german validator translation
minor #9599 [Validator] Typo and better wording for german validator translation (Danez)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #9599).

Discussion
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[Validator] Typo and better wording for german validator translation

Follow up of #9588 as supposed by @craue

Commits
-------

263b618 Typo and better wording for german validator translation
fixed @expectedException class names
fixed some typos
Fix an issue when overriding Client::setServerParameters() and using the getContainer() method in it.
bug #9607 [HttpKernel] Fix a bug when using the kernel property in overridden method Client::setServerParameters() (gnutix)

This PR was merged into the 2.4 branch.

Discussion
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[HttpKernel] Fix a bug when using the kernel property in overridden method Client::setServerParameters()

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

**TL;DR**
Fixes a fatal error when using `$this->kernel` in overridden `Client::setServerParameters` method happening since @Tobion commit https://github.com/symfony/symfony/commit/111ac18232dd660a3d23d9d0f1935aa914ffc43c.

**Long story**

In my tests, I'm overriding the `test.client.class` parameter to use a custom class which overrides the `setServerParameters` method with the following code :

```
    public function setServerParameters(array $server)
    {
        if (!isset($server['HTTP_HOST'])) {
            $server['HTTP_HOST'] = $this->getContainer()->getParameter('website_domain');
        }

        parent::setServerParameters($server);
    }
```

The purpose is to set the HTTP_HOST variable on every client request in the tests with the application domain (instead of the default value "localhost"). This fixed issues when switching between domains (standard, secure, etc) and also issues with CSRF protection.

If you know of a better idea on how to set this attribute with a value from a DIC parameter to every client request done in any tests in one place without overriding Symfony stuff, I'd be **very glad** to hear it. :)

**Detailed error**
```
 [Exception]
  PHP Fatal error:  Call to a member function getContainer() on a non-object in /home/gnutix/lamp/sf-2.4/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Clie
  nt.php on line 48
  PHP Stack trace:
  PHP   1. {main}() /usr/bin/phpunit:0
  PHP   2. PHPUnit_TextUI_Command::main() /usr/bin/phpunit:46
  PHP   3. PHPUnit_TextUI_Command->run() /usr/share/php/PHPUnit/TextUI/Command.php:129
  PHP   4. PHPUnit_TextUI_TestRunner->doRun() /usr/share/php/PHPUnit/TextUI/Command.php:176
  PHP   5. PHPUnit_Framework_TestSuite->run() /home/gnutix/lamp/sf-2.4/vendor/phpunit/phpunit/PHPUnit/TextUI/TestRunner.php:349
  PHP   6. PHPUnit_Framework_TestSuite->runTest() /home/gnutix/lamp/sf-2.4/vendor/phpunit/phpunit/PHPUnit/Framework/TestSuite.php:745
  PHP   7. PHPUnit_Framework_TestCase->run() /home/gnutix/lamp/sf-2.4/vendor/phpunit/phpunit/PHPUnit/Framework/TestSuite.php:775
  PHP   8. PHPUnit_Framework_TestResult->run() /home/gnutix/lamp/sf-2.4/vendor/phpunit/phpunit/PHPUnit/Framework/TestCase.php:783
  PHP   9. PHPUnit_Framework_TestCase->runBare() /home/gnutix/lamp/sf-2.4/vendor/phpunit/phpunit/PHPUnit/Framework/TestResult.php:648
  PHP  10. Gnutix\Tests\FunctionalTestsHelper->setUp() /home/gnutix/lamp/sf-2.4/vendor/phpunit/phpunit/PHPUnit/Framework/TestCase.php:835
  PHP  11. Gnutix\Tests\FunctionalTestsHelper::createClient() /home/gnutix/lamp/sf-2.4/src/Gnutix/Tests/FunctionalTestsHelper.php:82
  PHP  12. Symfony\Bundle\FrameworkBundle\Test\WebTestCase::createClient() /home/gnutix/lamp/sf-2.4/src/Gnutix/CommonBundle/Tests/FunctionalTestsHelper.php:440
  PHP  13. Symfony\Component\DependencyInjection\Container->get() /home/gnutix/lamp/sf-2.4/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Test/WebTestCase.p
  hp:49
  PHP  14. appTestDebugProjectContainer->getTest_ClientService() /home/gnutix/lamp/sf-2.4/app/bootstrap.php.cache:2033
  PHP  15. Symfony\Bundle\FrameworkBundle\Client->__construct() /home/gnutix/lamp/sf-2.4/app/cache/test/appTestDebugProjectContainer.php:5806
  PHP  16. Symfony\Component\HttpKernel\Client->__construct() /home/gnutix/lamp/sf-2.4/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Client.php:38
  PHP  17. Symfony\Component\BrowserKit\Client->__construct() /home/gnutix/lamp/sf-2.4/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Client.php:46
  PHP  18. SymfonyExtension\Bundle\FrameworkBundle\Client->setServerParameters() /home/gnutix/lamp/sf-2.4/vendor/symfony/symfony/src/Symfony/Component/BrowserKit/Clien
  t.php:60
  PHP  19. Symfony\Bundle\FrameworkBundle\Client->getContainer() /home/gnutix/lamp/sf-2.4/src/SymfonyExtension/Bundle/FrameworkBundle/Client.php:24
```

Commits
-------

ec43a0c Fix an issue when overriding Client::setServerParameters() and using the getContainer() method in it.
minor #9603 Fixed some typos (fabpot)

This PR was merged into the 2.2 branch.

Discussion
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Fixed some typos

Commits
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5c6edb3 fixed some typos
8d69bb5 fixed @expectedException class names
Merge branch '2.2' into 2.3

* 2.2:
  fixed some typos
  fixed @expectedException class names

Conflicts:
	src/Symfony/Component/Config/Tests/Definition/ArrayNodeTest.php
	src/Symfony/Component/Console/Tests/Command/CommandTest.php
	src/Symfony/Component/Locale/Tests/Stub/StubLocaleTest.php
	src/Symfony/Component/Locale/Tests/Stub/StubNumberFormatterTest.php
fixed @expectedException class names
fixed typos
Container::camelize also takes backslashes into consideration
bug #9610 Container::camelize also takes backslashes into consideration (ondrejmirtes)

This PR was submitted for the 2.4 branch but it was merged into the 2.3 branch instead (closes #9610).

Discussion
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Container::camelize also takes backslashes into consideration

I [complained](https://github.com/symfony/symfony/pull/8494) about unreported and unnoticed BC break.

Service names in our DI container contain backslashes and that pull request rendered newer versions of Symfony unusable for us.

This commit fixes this - it normalizes backslashes in service names into underscores.

Commits
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0f9bb0a Container::camelize also takes backslashes into consideration
updated CHANGELOG for 2.4.0-RC1
updated VERSION for 2.4.0-RC1
bumped Symfony version to 2.4.0
Fixed mistake in upgrade docu
minor #9616 Fixed mistake in upgrade docu (theaxel)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #9616).

Discussion
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Fixed mistake in upgrade docu

Commits
-------

821006b Fixed mistake in upgrade docu
[HttpKernel] fixed regression introduced in 2.4 in the base DataCollector class. Added more unit tests coverage for the RequestDataCollector object.
bug #9617 [HttpKernel] Http kernel regression fix (hhamon)

This PR was merged into the 2.4 branch.

Discussion
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[HttpKernel] Http kernel regression fix

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

Commits
-------

d1e5006 [HttpKernel] fixed regression introduced in 2.4 in the base DataCollector class. Added more unit tests coverage for the RequestDataCollector object.
Merge branch '2.3' into 2.4

* 2.3:
  Fixed mistake in upgrade docu
  Container::camelize also takes backslashes into consideration
  fixed typos
  fixed @expectedException class names
  fixed some typos
  fixed @expectedException class names
  Typo and better wording for german validator translation