Merge branch '2.8' into 3.0

* 2.8:
  [Process] Fix stopping a process on Windows
  [PhpUnitBridge] Add weak-verbose mode and match against message instead of test name
  Added a note about the new requirement iconv.
  Improved error messages for Yaml Deprecations
  Added a test case for the Logger class.
  [Form] Fix choices defined as Traversable
  CS: general fixes
  Suggested Process dependency

Author: stof

Tests/Encoder/XmlEncoderTest.php

@@ -74,7 +74,7 @@ public function testAttributes()
                 '@Type' => 'test',
             ),
             'föo_bär' => 'a',
-            'Bar' => array(1,2,3),
+            'Bar' => array(1, 2, 3),
             'a' => 'b',
         );
         $expected = '<?xml version="1.0"?>'."\n".
@@ -384,7 +384,7 @@ public function testDecodeWithoutItemHash()
                 '@Type' => 'test',
             ),
             'föo_bär' => 'a',
-            'Bar' => array(1,2,3),
+            'Bar' => array(1, 2, 3),
             'a' => 'b',
         );
         $expected = array(
@@ -397,7 +397,7 @@ public function testDecodeWithoutItemHash()
                 '@Type' => 'test',
             ),
             'föo_bär' => 'a',
-            'Bar' => array(1,2,3),
+            'Bar' => array(1, 2, 3),
             'a' => 'b',
         );
         $xml = $this->encoder->encode($obj, 'xml');