Merge branch '2.3' into 2.4

* 2.3:
  fixed various inconsistencies
  reduced recursion when building DumperPrefixCollection
  renamed variables - making next change more readable
  removing dead code.
  [DomCrawler] Fixed filterXPath() chaining
  [DomCrawler] Fixed incorrect handling of image inputs

Conflicts:
	src/Symfony/Component/DomCrawler/Crawler.php
	src/Symfony/Component/EventDispatcher/Tests/EventDispatcherTest.php
	src/Symfony/Component/Form/Extension/DependencyInjection/DependencyInjectionExtension.php
	src/Symfony/Component/Serializer/Tests/Normalizer/CustomNormalizerTest.php
	src/Symfony/Component/Templating/Tests/Loader/CacheLoaderTest.php
	src/Symfony/Component/Templating/Tests/Loader/LoaderTest.php

Author: fabpot

Helper/ProgressHelper.php

@@ -349,7 +349,7 @@ private function generate($finish = false)
         $vars    = array();
         $percent = 0;
         if ($this->max > 0) {
-            $percent = (double) $this->current / $this->max;
+            $percent = (float) $this->current / $this->max;
         }
 
         if (isset($this->formatVars['bar'])) {

Tests/ApplicationTest.php

@@ -471,7 +471,7 @@ public function testSetCatchExceptions()
     public function testAsText()
     {
         $application = new Application();
-        $application->add(new \FooCommand);
+        $application->add(new \FooCommand());
         $this->ensureStaticCommandHelp($application);
         $this->assertStringEqualsFile(self::$fixturesPath.'/application_astext1.txt', $this->normalizeLineBreaks($application->asText()), '->asText() returns a text representation of the application');
         $this->assertStringEqualsFile(self::$fixturesPath.'/application_astext2.txt', $this->normalizeLineBreaks($application->asText('foo')), '->asText() returns a text representation of the application');
@@ -480,7 +480,7 @@ public function testAsText()
     public function testAsXml()
     {
         $application = new Application();
-        $application->add(new \FooCommand);
+        $application->add(new \FooCommand());
         $this->ensureStaticCommandHelp($application);
         $this->assertXmlStringEqualsXmlFile(self::$fixturesPath.'/application_asxml1.txt', $application->asXml(), '->asXml() returns an XML representation of the application');
         $this->assertXmlStringEqualsXmlFile(self::$fixturesPath.'/application_asxml2.txt', $application->asXml('foo'), '->asXml() returns an XML representation of the application');
@@ -504,7 +504,7 @@ public function testRenderException()
         $tester->run(array('command' => 'list', '--foo' => true), array('decorated' => false));
         $this->assertStringEqualsFile(self::$fixturesPath.'/application_renderexception2.txt', $tester->getDisplay(true), '->renderException() renders the command synopsis when an exception occurs in the context of a command');
 
-        $application->add(new \Foo3Command);
+        $application->add(new \Foo3Command());
         $tester = new ApplicationTester($application);
         $tester->run(array('command' => 'foo3:bar'), array('decorated' => false));
         $this->assertStringEqualsFile(self::$fixturesPath.'/application_renderexception3.txt', $tester->getDisplay(true), '->renderException() renders a pretty exceptions with previous exceptions');