[Routing] fixed 4 bugs in the UrlGenerator
[Config] Missing type argument passed to loader.

In FileLoader the $type is not passed to the child loader.
merged branch beberlei/ConfigFileLoaderTypeMissing (PR #5193)

Commits
-------

b3cf36a [Config] Missing type argument passed to loader.

Discussion
----------

[Config] Missing type argument passed to loader.

In FileLoader the $type is not passed to the child loader.

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
License of the code: MIT

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by travisbot at 2012-08-06T14:22:30Z

This pull request [passes](http://travis-ci.org/symfony/symfony/builds/2047982) (merged b3cf36af into 89dce2df).
[DependencyInjection] Added a test for a frozen constructor of a container with no parameters
[DependencyInjection] Fixed a frozen constructor of a container with no parameters
FileLocatorInterface used in typehint instead of FileLocator
avoid fatal error on invalid session
merged branch kriswallsmith/graceful-invalid-session (PR #5210)

Commits
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c51fc10 avoid fatal error on invalid session

Discussion
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[Security] avoid fatal error on invalid session

If the session has something instead of a token there will be a fatal error when `$this->refreshUser($token)` is called because the argument on that method is strictly typed.

```
Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: ~
Todo: ~
License of the code: MIT
Documentation PR: ~
```

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by travisbot at 2012-08-07T18:35:47Z

This pull request [passes](http://travis-ci.org/symfony/symfony/builds/2059743) (merged c51fc105 into 3d32a0bc).
merged branch hidenorigoto/fix-di-phpdumper (PR #5194)

Commits
-------

1a4a4ee [DependencyInjection] Fixed a frozen constructor of a container with no parameters
2a124bc [DependencyInjection] Added a test for a frozen constructor of a container with no parameters

Discussion
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[DependencyInjection] Fix PHP Dumper for a constructor of a frozen container with no parameters

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets:
Todo: -
License of the code: MIT

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by travisbot at 2012-08-06T16:51:20Z

This pull request [passes](http://travis-ci.org/symfony/symfony/builds/2049206) (merged 1a4a4ee9 into 3d32a0bc).
[Form] fix static method call
[Filesystem] missing realpath breaking FilesystemTest class on Windows (one line of code change)
Alter upgrade notes with changes to _form_is_choice_selected twig function
[EventDispatcher] Adding IteratorAggregate to GenericEvent
Typo in UPGRADE-2.1
[Form] Fixed support for preferred choices in "entity" type
[Form] Reintroduced the option "invalid_message_parameters"
merged branch fixe/patch-7 (PR #5272)

Commits
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4b5adcd Typo in UPGRADE-2.1

Discussion
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Typo in UPGRADE-2.1
fixed typo in the UPGRADE file
merged branch bschussek/issue5205 (PR #5277)

Commits
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3ad3876 [Form] Fixed support for preferred choices in "entity" type

Discussion
----------

[Form] Fixed support for preferred choices in "entity" type

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: #5205
Todo: -
merged branch bschussek/issue5144 (PR #5278)

Commits
-------

0add23f [Form] Reintroduced the option "invalid_message_parameters"

Discussion
----------

[Form] Reintroduced the option "invalid_message_parameters"

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: #5144
Todo: -