Update src/Symfony/Component/HttpFoundation/Request.php

This makes `getContentType()` work when a regular form is submitted.
add allow_extra_fields option
[Form] Choice children can be template customized like collection
[Serializer] Added PropertyNormalizer, a new normalizer that maps an object's properties to an array
Call AuthenticationManager in AnonymousAuthenticationListener
[SecurityBundle] added acl:set command
Allow overloading ContextListener::refreshUser()
[HttpKernel] Extract method to make callable controller in ControllerResolver

correct naming
updated version to 2.6
Merge branch '2.5'

* 2.5:
  [TwigBridge][Trans]set %count% only on transChoice
  [Debug] throw even in stacking mode to preserve code paths
  [Debug] preserve modified error level
  [DomCrawler] Fixed a forgotten case of complex XPath queries
  bumped Symfony version to 2.4.6
  updated VERSION for 2.4.5
  updated CHANGELOG for 2.4.5
  bumped Symfony version to 2.3.16
  updated VERSION for 2.3.15
  updated CHANGELOG for 2.3.15
Merge branch '2.5'

* 2.5:
  Revert "bug #10894 [HttpKernel] removed absolute paths from the generated container (fabpot)"
  Revert "bug #10937 [HttpKernel] Fix "absolute path" when we look to the cache directory (BenoitLeveque)"
  Revert "fixed CS"
  Revert "bug #10979 Make rootPath part of regex greedy (artursvonda)"
  Revert "[HttpKernel] simplified some tests"
  [HttpKernel] simplified some tests
  Make rootPath part of regex greedy
Merge branch '2.5'

* 2.5:
  Revert "bug #10908 [HttpFoundation] implement session locking for PDO (Tobion)"
[HttpFoundation] implement session locking for PDO
Merge branch '2.5'

* 2.5:
  [Validator] Remove property and method targets from the optional and required constraints.
  fixed CHANGELOG for 2.5
  bumped Symfony version to 2.5.0
  updated VERSION for 2.5.0-RC1
  updated CHANGELOG for 2.5.0-RC1
  [DomCrawler] Fixed charset detection in html5 meta charset tag
[Debug] enhanced error messages for uncaught exceptions
feature #11034 [Debug] enhanced error messages for uncaught exceptions (nicolas-grekas)

This PR was merged into the 2.6-dev branch.

Discussion
----------

[Debug] enhanced error messages for uncaught exceptions

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | none
| License       | MIT
| Doc PR        | none

Before:

![capture du 2014-06-02 10 56 42](https://cloud.githubusercontent.com/assets/243674/3145281/3f8c4d24-ea34-11e3-948c-78898fb79a75.png)

After:

![capture du 2014-06-02 10 55 57](https://cloud.githubusercontent.com/assets/243674/3145283/44167a86-ea34-11e3-9786-f77f2f001638.png)

A double-click on the file name switches between short/full path name.

Commits
-------

ce66442 [Debug] enhanced error messages for uncaught exceptions
error.html.twig should contain a email value
minor #10980 error.html.twig should contain a email value (clemens-tolboom)

This PR was squashed before being merged into the 2.3-dev branch (closes #10980).

Discussion
----------

error.html.twig should contain a email value

When getting an exception on env PROD it would be nice to have an email to report to.

Current code has [email] instead of a value.

I'm not sure how to fix this as the email value should come from exception.html.twig

```html
<div id="logs">
    {% include 'TwigBundle:Exception:logs.html.twig' with { 'logs': logger.logs } only %}
</div>
```

Some hints are welcome.

Commits
-------

030b8c0 error.html.twig should contain a email value
feature #10792 [Security] Allow overloading ContextListener::refreshUser() (lstrojny)

This PR was merged into the 2.6-dev branch.

Discussion
----------

[Security] Allow overloading ContextListener::refreshUser()

Allow overloading refreshUser() for the use case of doing something special with user providers.

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

Commits
-------

b67ed43 Allow overloading ContextListener::refreshUser()
[DomCrawler] Added support for slicing nodes