Merge branch '2.3' into 2.6

* 2.3:
  Improve the config validation in TwigBundle
  [Security][Acl] enforce string identifiers
  [BrowserKit] Fix bug when uri starts with http.
  bumped Symfony version to 2.3.31
  updated VERSION for 2.3.30
  updated CHANGELOG for 2.3.30
  Php Inspections (EA Extended):     - resolved possible PHP Fatal in \Symfony\Component\BrowserKit\Cookie::__toString     -resolved implicit magic methods calls     -resolved callable name case mismatches

Conflicts:
	src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php
	src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
	src/Symfony/Component/HttpKernel/Kernel.php

Author: fabpot

Tests/FinderTest.php

@@ -262,7 +262,7 @@ public function testSortByModifiedTime($adapter)
     public function testSort($adapter)
     {
         $finder = $this->buildFinder($adapter);
-        $this->assertSame($finder, $finder->sort(function (\SplFileInfo $a, \SplFileInfo $b) { return strcmp($a->getRealpath(), $b->getRealpath()); }));
+        $this->assertSame($finder, $finder->sort(function (\SplFileInfo $a, \SplFileInfo $b) { return strcmp($a->getRealPath(), $b->getRealPath()); }));
         $this->assertIterator($this->toAbsolute(array('foo', 'foo bar', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir)->getIterator());
     }
 

Tests/Iterator/SortableIteratorTest.php

@@ -163,7 +163,7 @@ public function getAcceptData()
             array(SortableIterator::SORT_BY_ACCESSED_TIME, $this->toAbsolute($sortByAccessedTime)),
             array(SortableIterator::SORT_BY_CHANGED_TIME, $this->toAbsolute($sortByChangedTime)),
             array(SortableIterator::SORT_BY_MODIFIED_TIME, $this->toAbsolute($sortByModifiedTime)),
-            array(function (\SplFileInfo $a, \SplFileInfo $b) { return strcmp($a->getRealpath(), $b->getRealpath()); }, $this->toAbsolute($customComparison)),
+            array(function (\SplFileInfo $a, \SplFileInfo $b) { return strcmp($a->getRealPath(), $b->getRealPath()); }, $this->toAbsolute($customComparison)),
         );
     }
 }