Issue #2175447 by tim.plunkett, dawehner: Update composer to latest version.

core/vendor/autoload.php

@@ -4,4 +4,4 @@
 
 require_once __DIR__ . '/composer' . '/autoload_real.php';
 
-return ComposerAutoloaderInit50432d86c534be2ddddf85d27e021721::getLoader();
+return ComposerAutoloaderInitf089bd3ae5f9f883a3ebe89eb643eced::getLoader();

core/vendor/composer/autoload_psr4.php

+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname(dirname($vendorDir));
+
+return array(
+);

core/vendor/composer/autoload_real.php

@@ -2,7 +2,7 @@
 
 // autoload_real.php @generated by Composer
 
-class ComposerAutoloaderInit50432d86c534be2ddddf85d27e021721
+class ComposerAutoloaderInitf089bd3ae5f9f883a3ebe89eb643eced
 {
     private static $loader;
 
@@ -19,9 +19,9 @@ public static function getLoader()
             return self::$loader;
         }
 
-        spl_autoload_register(array('ComposerAutoloaderInit50432d86c534be2ddddf85d27e021721', 'loadClassLoader'), true, true);
+        spl_autoload_register(array('ComposerAutoloaderInitf089bd3ae5f9f883a3ebe89eb643eced', 'loadClassLoader'), true, true);
         self::$loader = $loader = new \Composer\Autoload\ClassLoader();
-        spl_autoload_unregister(array('ComposerAutoloaderInit50432d86c534be2ddddf85d27e021721', 'loadClassLoader'));
+        spl_autoload_unregister(array('ComposerAutoloaderInitf089bd3ae5f9f883a3ebe89eb643eced', 'loadClassLoader'));
 
         $vendorDir = dirname(__DIR__);
         $baseDir = dirname(dirname($vendorDir));
@@ -35,6 +35,11 @@ public static function getLoader()
             $loader->set($namespace, $path);
         }
 
+        $map = require __DIR__ . '/autoload_psr4.php';
+        foreach ($map as $namespace => $path) {
+            $loader->setPsr4($namespace, $path);
+        }
+
         $classMap = require __DIR__ . '/autoload_classmap.php';
         if ($classMap) {
             $loader->addClassMap($classMap);