updated VERSION for 2.2.0
bumped Symfony version to 2.2.1-DEV-DEV
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