Merge branch '5.2' into 5.3

* 5.2:
  Use PHP_OS_FAMILY if possible
  Fix tests
  Fix minor typos
  [WebProfilerBundle] Fix the values of some CSS properties
  [Yaml] Fixed an exception message
  Fix ctype_digit deprecation
  Add a Special Case for Translating Choices in en_US_POSIX

Author: nicolas-grekas

Tests/Console/Descriptor/AbstractDescriptorTest.php

@@ -209,7 +209,7 @@ public function getDescribeCallableTestData()
     }
 
     /** @dataProvider getClassDescriptionTestData */
-    public function testGetClassDecription($object, $expectedDescription)
+    public function testGetClassDescription($object, $expectedDescription)
     {
         $this->assertEquals($expectedDescription, $this->getDescriptor()->getClassDescription($object));
     }