bumped Symfony version to 2.0.17-DEV
fixed swiftmailer requirement in composer file
merged branch brikou/fix_composer (PR #4867)

Commits
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f748885 fixed swiftmailer requirement in composer file

Discussion
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Fix composer
[Form] Removed invalid PHPDoc text
[Routing] fixed ApacheUrlMatcher and ApachMatcherDumper classes that did not take care of default parameters in urls.
merged branch hhamon/apache_dumper_matcher_fix (PR #4890)

Commits
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e9d799c [Routing] fixed ApacheUrlMatcher and ApachMatcherDumper classes that did not take care of default parameters in urls.

Discussion
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[Routing] fixed ApacheUrlMatcher and ApachMatcherDumper classes that did not take care of default parameters in urls.

Bug fix: yes
Feature addition: not
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: -
Todo: -
License of the code: MIT
[Form] Fixed FormFactory not to set "data" option if not explicitely given
[Form] Fixed choice list hashing in DoctrineType
[DoctrineBridge] Failing testcase for event listeners and multiple connections
[DoctrineBridge] Fix arguments when registering event listeners on multiple connections

Fixes #4712
merged branch asm89/issue-4712 (PR #4896)

Commits
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e97cd61 [DoctrineBridge] Fix arguments when registering event listeners on multiple connections
0bf3c06 [DoctrineBridge] Failing testcase for event listeners and multiple connections

Discussion
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[DoctrineBridge] Fix arguments when registering event listeners on multiple connections

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: [![Build Status](https://secure.travis-ci.org/asm89/symfony.png?branch=issue-4712)](http://travis-ci.org/asm89/symfony)
Fixes the following tickets: #4712
License of the code: MIT
Restore NativeFileSessionHandler

Partial revert "[HttpFoundation] Removed Native*Handler session save handler classes"

This partially reverts commit b2cc580be7614e80d9009126937c7c24aa0741c6.
Revert "[FrameworkBundle] Refactor session file handler service name and update changelogs"

This partially reverts commit 13a2c82f01a8d9c7885bd4afe268b2bd75a58e55.
merged 2.0
Partially revert "[HttpFoundation][Sessions] Refactored tests"

This partially reverts commit 3c8cc0a1a091d6adeab64e271b1b7cdb234c153b.
[HttpFoundation] Remove FileSessionHandler

This driver is inferior to native handling
[HttpFoundation] Add NativeSessionHandler tests
merged branch drak/nativestorage (PR #4899)

Commits
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a351362 [HttpFoundation] Add NativeSessionHandler tests
653821a [HttpFoundation] Remove FileSessionHandler
3456787 Partially revert "[HttpFoundation][Sessions] Refactored tests"
39813a0 Revert "[FrameworkBundle] Refactor session file handler service name and update changelogs"
fbee4cf Restore NativeFileSessionHandler

Discussion
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[Session] Restore NativeFileSessionStorage

Bug fix: no
Feature addition: yes
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: #4668
Todo: -
License of the code: MIT

This reverts the removal of the native file handler.
[Form] Cached the form type hierarchy in order to improve performance
Removed FileSessionHandler from FrameworkExtension to stop compiling a file that does not exist.