updated the branch alias in composer files
CSS3, HTML5 cleanuos
Merge branch '2.2'

* 2.2: (30 commits)
  [HttpFoundation] Added support for partial ranges in the BinaryFileResponse.
  [HttpFoundation] Fixed byte ranges in the BinaryFileResponse.
  updated required versions when depending on the HttpFoundation component
  updated required versions when depending on the HttpKernel component
  updated required versions when depending on the Config component
  updated required versions when depending on the Form component
  updated required versions when depending on the DependencyInjection component
  updated required versions when depending on the Validator component
  updated required versions when depending on the Translation component
  updated required versions when depending on the Routing component
  updated required versions when depending on the EventDispatcher component
  updated required versions when depending on the OptionsResolver component
  updated required versions when depending on the PropertyAccess component
  updated required versions when depending on the Security component
  updated required versions when depending on the Templating component
  updated required versions when depending on the Stopwatch component
  updated required versions when depending on the Process component
  updated required versions when depending on the Finder component
  updated required versions when depending on the Dom Crawler component
  use ~2.0 when depending on the Dom Crawler component
  ...
changed dependencies to allow all 2.3 versions of the components (closes #6983)
Merge branch '2.2'

* 2.2: (22 commits)
  [Process] Fix regression introduced in #6620 / 880da01c49a9255f5022ab7e18bca38c18f56370, fixes #7082
  [HttpKernel] added a unit for the previous commit (closes #7025)
  [HttpFoundation] fixed, overwritten CONTENT_TYPE
  [BrowserKit] fixed test added in the previous merge (refs #7059)
  [FrameworkBundle] tweaked reference dumper command (see #7093)
  Remove unnecessary comment and change test name
  [Config] tweaked dumper to indent multi-line info
  [HttpKernel] added some tests for previous merge
  Fix REMOTE_ADDR for cached subrequests
  [FrameworkBundle] CSRF should be on by default
  [WebProfilerBundle] removed dependency on FrameworkBundle (closes #6949)
  [HttpKernel] added error display suppression when using the ErrorHandler (if not, errors are displayed twice, refs #6254)
  [HttpFoundation] tweaked previous merge
  [HttpFoundation] Added getter for httpMethodParameterOverride state
  Create validators.lv.xlf
  [Process] Warn user with a useful message when tmpfile() failed
  [BrowserKit] added a test to make sure HTTP authentication is preserved when submitting a form
  Remove array type hint from GetResponseForControllerResultEvent::setControllerResult()
  bumped Symfony version to 2.2.0-DEV
  Revert "merged branch povilas/issue_6101 (PR #6708)"
  ...