[HttpFoundation] Allow setting an unknown status code without specifying a text
[Validator] Fix bug order for constraint, property, getter and group-sequence-provider in validation.xml
[Validator] remove return value in TrueValidator
[Security] fixes multiple overlapping definitions of DefaultFailureHandler and DefaultSuccessHandler in AbstractFactory
[EventDispatcher] Rename UnmodifiableEventDispatcher to ImmutableEventDispatcher
[Form] Rename UnmodifiableFormConfig to ImmutableFormConfig
merged branch Tobion/patch-3 (PR #4984)

Commits
-------

d85650d [Validator] remove return value in TrueValidator

Discussion
----------

[Validator] remove return value in TrueValidator
merged branch Fran6co/fix-security-handlers (PR #4985)

Commits
-------

39157a8 [Security] fixes multiple overlapping definitions of DefaultFailureHandler and DefaultSuccessHandler in AbstractFactory

Discussion
----------

[Security] fixes multiple overlapping definitions of DefaultFailureHandler and DefaultSuccessHandler in AbstractFactory

If more than one listener extends AbstractFactory, you'll have multiple calls to createAuthenticationFailureHandler and createAuthenticationSuccessHandler with the same id.

Implicitly it's going to use the one generated by the last factory generating unexpected behavior.

This is related to commits 915704c0717c1b13f44468e51638761e71682da5 and c6aa392df7b1b68d7f5be0b858bd93e97a5a6cdc
merged branch Seldaek/rename (PR #4986)

Commits
-------

c81b2ad [Form] Rename UnmodifiableFormConfig to ImmutableFormConfig
274eb9e [EventDispatcher] Rename UnmodifiableEventDispatcher to ImmutableEventDispatcher

Discussion
----------

Rename unmodifiable to immutable

Maybe it's just me, but it sounded really wrong. The EventDispatcher one was added in 2.1 so no BC break. I don't know about the Form one, but I guess it's just used internally anyway.
[Console] Use proc_open instead of exec to suppress errors when run on windows and stty is not present
Merge branch '2.0'

* 2.0:
  [Console] Use proc_open instead of exec to suppress errors when run on windows and stty is not present
merged branch eko/2.0 (PR #4983)

Commits
-------

16a980b [Validator] Fix bug order for constraint, property, getter and group-sequence-provider in validation.xml

Discussion
----------

[Validator] Fix bug order for constraint, property, getter and group-seq...

Actually, there is a bug that force developers to write validation.xml file with the following nodes order:

- constraint
- property
- getter

So that's not possible to have the following XML (because I need to write my property(ies) first).

```xml
<?xml version="1.0" encoding="UTF-8" ?>
<constraint-mapping xmlns="http://symfony.com/schema/dic/constraint-mapping"
                    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                    xsi:schemaLocation="http://symfony.com/schema/dic/constraint-mapping http://symfony.com/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd">

    <class name="Application\Eko\MyBundle\Entity\MyEntity">
        <getter property="isBar">
            <constraint name="True">
                <option name="message">My error message</option>
            </constraint>
        </getter>

        <property name="foo">
            <constraint name="NotBlank" />
        </property>
    </class>

</constraint-mapping>
```

The XML below result in the following exception:

```
[ERROR 1871] Element '{http://symfony.com/schema/dic/constraint-mapping}property': This element is not expected. Expected is ( {http://symfony.com/schema/dic/constraint-mapping}getter ). (in /var/www/myproject/src/Application/Eko/MyBundle/Resources/config/validation.xml - line 14, column 0)
```

This is due to the sequence element that needs to respect the order given in the schema file.

The choice element is doing the same thing and permit to have a free order of elements so I have replaced the sequence by a choice element.

For more information: http://www.w3.org/TR/xmlschema-0/#ref17
merged branch vicb/response/statuscode (PR #4980)

Commits
-------

ed8823c [HttpFoundation] Allow setting an unknown status code without specifying a text

Discussion
----------

[HttpFoundation] Allow setting an unknown status code without specifying...

... a text

fix #4978
merged 2.0