updated CHANGELOG for 2.2.0
updated VERSION for 2.2.0
bumped Symfony version to 2.2.1-DEV-DEV
Add persian translation to Components/Security
merged branch fzerorubigd/master (PR #7226)

This PR was submitted for the master branch but it was merged into the 2.2 branch instead (closes #7226).

Commits
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80aa012 Add persian translation to Components/Security

Discussion
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Add Persian (farsi) Translation to Component/Security

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | somehow :)
| BC breaks?    | no
| Tests pass?   | yes
| License       | MIT

Just add farsi translation to Component/Security
fixed CS
Merge branch '2.2'

* 2.2:
  fixed CS
  Add persian translation to Components/Security
  bumped Symfony version to 2.2.1-DEV-DEV
  updated VERSION for 2.2.0
  updated CHANGELOG for 2.2.0
[HttpKernel] fixed version
fixed CS