Merge branch '2.3' into 2.4

* 2.3:
  removed unneeded use statements
  Prepend Child Bundle paths before the parent
  [Routing] add unit tests for Symfony\Component\Routing\RequestContext class

Conflicts:
	src/Symfony/Component/Form/Extension/Csrf/CsrfExtension.php
	src/Symfony/Component/HttpKernel/DataCollector/TimeDataCollector.php
	src/Symfony/Component/Validator/ConstraintValidatorFactory.php

Author: fabpot

EntryPoint/BasicAuthenticationEntryPoint.php

@@ -12,7 +12,6 @@
 namespace Symfony\Component\Security\Http\EntryPoint;
 
 use Symfony\Component\Security\Core\Exception\AuthenticationException;
-use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\Request;
 

EntryPoint/DigestAuthenticationEntryPoint.php

@@ -12,7 +12,6 @@
 namespace Symfony\Component\Security\Http\EntryPoint;
 
 use Symfony\Component\Security\Core\Exception\AuthenticationException;
-use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;
 use Symfony\Component\Security\Core\Exception\NonceExpiredException;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\Request;

EntryPoint/FormAuthenticationEntryPoint.php

@@ -13,7 +13,6 @@
 
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Security\Core\Exception\AuthenticationException;
-use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;
 use Symfony\Component\Security\Http\HttpUtils;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 

EntryPoint/RetryAuthenticationEntryPoint.php

@@ -12,7 +12,6 @@
 namespace Symfony\Component\Security\Http\EntryPoint;
 
 use Symfony\Component\Security\Core\Exception\AuthenticationException;
-use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
 

Logout/DefaultLogoutSuccessHandler.php

@@ -13,7 +13,6 @@
 
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Security\Http\HttpUtils;
-use Symfony\Component\Security\Http\Logout\LogoutSuccessHandlerInterface;
 
 /**
  * Default logout success handler will redirect users to a configured path.