Merge branch '2.6' into 2.7

* 2.6:
  [TwigBundle] allowed SecurityBundle to use the latest versions of FrameworkBundle
  [HttpFoundation] Make use of isEmpty() method
  fix missing comma in YamlDumper
  [Console] Helper\Table->addRow optimization
  [Console] Helper\Table->addRow optimization

src/Symfony/Component/Console/Helper/Table.php

@@ -174,8 +174,9 @@ class Table
 
         $this->rows[] = array_values($row);
 
-        $keys = array_keys($this->rows);
-        $rowKey = array_pop($keys);
+        end($this->rows);
+        $rowKey = key($this->rows);
+        reset($this->rows);
 
         foreach ($row as $key => $cellValue) {
             if (!strstr($cellValue, "\n")) {

src/Symfony/Component/DependencyInjection/Dumper/YamlDumper.php

@@ -86,7 +86,7 @@ class YamlDumper extends Dumper
                 foreach ($attributes as $key => $value) {
                     $att[] = sprintf('%s: %s', $this->dumper->dump($key), $this->dumper->dump($value));
                 }
-                $att = $att ? ', '.implode(' ', $att) : '';
+                $att = $att ? ', '.implode(', ', $att) : '';
 
                 $tagsCode .= sprintf("            - { name: %s%s }\n", $this->dumper->dump($name), $att);
             }

src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/container9.php

@@ -12,7 +12,7 @@ $container = new ContainerBuilder();
 $container->
     register('foo', 'Bar\FooClass')->
     addTag('foo', array('foo' => 'foo'))->
-    addTag('foo', array('bar' => 'bar'))->
+    addTag('foo', array('bar' => 'bar', 'baz' => 'baz'))->
     setFactoryClass('Bar\\FooClass')->
     setFactoryMethod('getInstance')->
     setArguments(array('foo', new Reference('foo.baz'), array('%foo%' => 'foo is %foo%', 'foobar' => '%foo%'), true, new Reference('service_container')))->

src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services9.xml

@@ -8,7 +8,7 @@
   <services>
     <service id="foo" class="Bar\FooClass" factory-method="getInstance" factory-class="Bar\FooClass">
       <tag name="foo" foo="foo"/>
-      <tag name="foo" bar="bar"/>
+      <tag name="foo" bar="bar" baz="baz"/>
       <argument>foo</argument>
       <argument type="service" id="foo.baz"/>
       <argument type="collection">

src/Symfony/Component/DependencyInjection/Tests/Fixtures/yaml/services9.yml

@@ -8,7 +8,7 @@ services:
         class: Bar\FooClass
         tags:
             - { name: foo, foo: foo }
-            - { name: foo, bar: bar }
+            - { name: foo, bar: bar, baz: baz }
         factory_class: Bar\FooClass
         factory_method: getInstance
         arguments: [foo, '@foo.baz', { '%foo%': 'foo is %foo%', foobar: '%foo%' }, true, '@service_container']

src/Symfony/Component/HttpFoundation/Response.php

@@ -268,7 +268,7 @@ class Response
     {
         $headers = $this->headers;
 
-        if ($this->isInformational() || in_array($this->statusCode, array(204, 304))) {
+        if ($this->isInformational() || $this->isEmpty()) {
             $this->setContent(null);
             $headers->remove('Content-Type');
             $headers->remove('Content-Length');