updated CHANGELOG for 2.0.21
updated VERSION for 2.0.21
bumped Symfony version to 2.0.21-DEV
[Bundle] [FrameworkBundle] fixed typo in phpdoc of the SessionListener.
merged branch hhamon/session_listener_typo (PR #6512)

This PR was merged into the 2.0 branch.

Commits
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a88607c [Bundle] [FrameworkBundle] fixed typo in phpdoc of the SessionListener.

Discussion
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[Bundle] [FrameworkBundle] fixed typo in phpdoc of the SessionListener.

Bug fix: no
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: -
Todo: -
License of the code: MIT
Documentation PR: -
[Console] fixed unitialized properties (closes #5935)
merged branch fabpot/console-5935 (PR #6523)

This PR was merged into the 2.0 branch.

Commits
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2fc41a1 [Console] fixed unitialized properties (closes #5935)

Discussion
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[Console] fixed unitialized properties (closes #5935)
Update src/Symfony/Component/HttpFoundation/Response.php
merged branch jorgemaiden/patch-1 (PR #6525)

This PR was submitted for the master branch but it was merged into the 2.0 branch instead (closes #6525).

Commits
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0b5f1e3 Update src/Symfony/Component/HttpFoundation/Response.php

Discussion
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Update src/Symfony/Component/HttpFoundation/Response.php

Fix phpdoc typo
updated license year
Merge branch '2.0' into 2.1

* 2.0:
  updated license year
  Update src/Symfony/Component/HttpFoundation/Response.php
  [Console] fixed unitialized properties (closes #5935)
  [Bundle] [FrameworkBundle] fixed typo in phpdoc of the SessionListener.
  bumped Symfony version to 2.0.21-DEV
  updated VERSION for 2.0.21
  updated CHANGELOG for 2.0.21

Conflicts:
	src/Symfony/Bundle/SwiftmailerBundle/LICENSE
	src/Symfony/Component/Filesystem/LICENSE
	src/Symfony/Component/HttpFoundation/Response.php
	src/Symfony/Component/HttpKernel/Kernel.php