Merge branch '3.4' into 4.2

* 3.4:
  allow to skip tests based on the supported version
  Update validators.bg.xlf
  Update validators.ca.xlf
  fixed CS
  Updated validators.eu.xlf with missing translations
  fixed typo
  backported a translation
  [Validator] added missing translation for UK validator
  Validator: add the Persian translations
  Update validators.sq.xlf
  fixed CS
  forward valid numeric values to transform()
  add constraint validators before optimizations

Author: xabbuh

Tests/Form/Type/EntityTypePerformanceTest.php

@@ -30,6 +30,8 @@ class EntityTypePerformanceTest extends FormPerformanceTestCase
      */
     private $em;
 
+    protected static $supportedFeatureSetVersion = 304;
+
     protected function getExtensions()
     {
         $manager = $this->getMockBuilder('Doctrine\Common\Persistence\ManagerRegistry')->getMock();

Tests/Form/Type/EntityTypeTest.php

@@ -57,6 +57,8 @@ class EntityTypeTest extends BaseTypeTest
      */
     private $emRegistry;
 
+    protected static $supportedFeatureSetVersion = 304;
+
     protected function setUp()
     {
         $this->em = DoctrineTestHelper::createTestEntityManager();