Merge branch '2.1'

* 2.1:
  fixed CS
  added doc comments
  added doc comments
  [Validator] Updated swedish translation
  Update src/Symfony/Component/Validator/Resources/translations/validators.de.xlf
  [2.1] Exclude tests from zips via gitattributes
  [HttpKernel][Translator] Fixed type-hints
  Updated lithuanian validation translation
  [DomCrawler] Allows using multiselect through Form::setValues().
  [Translation] forced the catalogue to be regenerated when a resource is added (closes symfony/translation#1)
  Unit test for patched method OptionsResolver::validateOptionValues().
  validateOptionValues throw a notice if an allowed value is set and the corresponding option isn't.
  [Form] Hardened code of ViolationMapper against errors
  [HttpFoundation] Fixed #5611 - Request::splitHttpAcceptHeader incorrect result order.
  [Form] Fixed negative index access in PropertyPathBuilder
  Update src/Symfony/Component/Validator/Resources/translations/validators.ro.xlf

Conflicts:
	src/Symfony/Component/DomCrawler/Form.php
	src/Symfony/Component/Process/Process.php

.gitattributes

@@ -0,0 +1,2 @@
+Tests/ export-ignore
+phpunit.xml.dist export-ignore