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diff --git a/vendor/symfony-cmf/routing/ChainRouteCollection.php b/vendor/symfony-cmf/routing/ChainRouteCollection.php
new file mode 100644
index 000000000..047f2e33c
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+++ b/vendor/symfony-cmf/routing/ChainRouteCollection.php
@@ -0,0 +1,272 @@
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2015 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing;
+
+use Symfony\Component\Config\Resource\ResourceInterface;
+use Symfony\Component\Routing\Route;
+use Symfony\Component\Routing\RouteCollection;
+
+class ChainRouteCollection extends RouteCollection
+{
+    /**
+     * @var RouteCollection[]
+     */
+    private $routeCollections = array();
+
+    /**
+     * @var RouteCollection
+     */
+    private $routeCollection;
+
+    public function __clone()
+    {
+        foreach ($this->routeCollections as $routeCollection) {
+            $this->routeCollections[] = clone $routeCollection;
+        }
+    }
+
+    /**
+     * Gets the current RouteCollection as an Iterator that includes all routes.
+     *
+     * It implements \IteratorAggregate.
+     *
+     * @see all()
+     *
+     * @return \ArrayIterator An \ArrayIterator object for iterating over routes
+     */
+    public function getIterator()
+    {
+        return new \ArrayIterator($this->all());
+    }
+
+    /**
+     * Gets the number of Routes in this collection.
+     *
+     * @return int The number of routes
+     */
+    public function count()
+    {
+        $count = 0;
+        foreach ($this->routeCollections as $routeCollection) {
+            $count += $routeCollection->count();
+        }
+
+        return $count;
+    }
+
+    /**
+     * Adds a route.
+     *
+     * @param string $name  The route name
+     * @param Route  $route A Route instance
+     */
+    public function add($name, Route $route)
+    {
+        $this->createInternalCollection();
+        $this->routeCollection->add($name, $route);
+    }
+
+    /**
+     * Returns all routes in this collection.
+     *
+     * @return Route[] An array of routes
+     */
+    public function all()
+    {
+        $routeCollectionAll = new RouteCollection();
+        foreach ($this->routeCollections as $routeCollection) {
+            $routeCollectionAll->addCollection($routeCollection);
+        }
+
+        return $routeCollectionAll->all();
+    }
+
+    /**
+     * Gets a route by name.
+     *
+     * @param string $name The route name
+     *
+     * @return Route|null A Route instance or null when not found
+     */
+    public function get($name)
+    {
+        foreach ($this->routeCollections as $routeCollection) {
+            $route = $routeCollection->get($name);
+            if (null !== $route) {
+                return $route;
+            }
+        }
+
+        return;
+    }
+
+    /**
+     * Removes a route or an array of routes by name from the collection.
+     *
+     * @param string|array $name The route name or an array of route names
+     */
+    public function remove($name)
+    {
+        foreach ($this->routeCollections as $routeCollection) {
+            $route = $routeCollection->get($name);
+            if (null !== $route) {
+                $routeCollection->remove($name);
+            }
+        }
+    }
+
+    /**
+     * Adds a route collection at the end of the current set by appending all
+     * routes of the added collection.
+     *
+     * @param RouteCollection $collection A RouteCollection instance
+     */
+    public function addCollection(RouteCollection $collection)
+    {
+        $this->routeCollections[] = $collection;
+    }
+
+    /**
+     * Adds a prefix to the path of all child routes.
+     *
+     * @param string $prefix       An optional prefix to add before each pattern of the route collection
+     * @param array  $defaults     An array of default values
+     * @param array  $requirements An array of requirements
+     */
+    public function addPrefix($prefix, array $defaults = array(), array $requirements = array())
+    {
+        $this->createInternalCollection();
+        foreach ($this->routeCollections as $routeCollection) {
+            $routeCollection->addPrefix($prefix, $defaults, $requirements);
+        }
+    }
+
+    /**
+     * Sets the host pattern on all routes.
+     *
+     * @param string $pattern      The pattern
+     * @param array  $defaults     An array of default values
+     * @param array  $requirements An array of requirements
+     */
+    public function setHost($pattern, array $defaults = array(), array $requirements = array())
+    {
+        $this->createInternalCollection();
+        foreach ($this->routeCollections as $routeCollection) {
+            $routeCollection->setHost($pattern, $defaults, $requirements);
+        }
+    }
+
+    /**
+     * Adds defaults to all routes.
+     *
+     * An existing default value under the same name in a route will be overridden.
+     *
+     * @param array $defaults An array of default values
+     */
+    public function addDefaults(array $defaults)
+    {
+        $this->createInternalCollection();
+        foreach ($this->routeCollections as $routeCollection) {
+            $routeCollection->addDefaults($defaults);
+        }
+    }
+
+    /**
+     * Adds requirements to all routes.
+     *
+     * An existing requirement under the same name in a route will be overridden.
+     *
+     * @param array $requirements An array of requirements
+     */
+    public function addRequirements(array $requirements)
+    {
+        $this->createInternalCollection();
+        foreach ($this->routeCollections as $routeCollection) {
+            $routeCollection->addRequirements($requirements);
+        }
+    }
+
+    /**
+     * Adds options to all routes.
+     *
+     * An existing option value under the same name in a route will be overridden.
+     *
+     * @param array $options An array of options
+     */
+    public function addOptions(array $options)
+    {
+        $this->createInternalCollection();
+        foreach ($this->routeCollections as $routeCollection) {
+            $routeCollection->addOptions($options);
+        }
+    }
+
+    /**
+     * Sets the schemes (e.g. 'https') all child routes are restricted to.
+     *
+     * @param string|array $schemes The scheme or an array of schemes
+     */
+    public function setSchemes($schemes)
+    {
+        $this->createInternalCollection();
+        foreach ($this->routeCollections as $routeCollection) {
+            $routeCollection->setSchemes($schemes);
+        }
+    }
+
+    /**
+     * Sets the HTTP methods (e.g. 'POST') all child routes are restricted to.
+     *
+     * @param string|array $methods The method or an array of methods
+     */
+    public function setMethods($methods)
+    {
+        $this->createInternalCollection();
+        foreach ($this->routeCollections as $routeCollection) {
+            $routeCollection->setMethods($methods);
+        }
+    }
+
+    /**
+     * Returns an array of resources loaded to build this collection.
+     *
+     * @return ResourceInterface[] An array of resources
+     */
+    public function getResources()
+    {
+        $resources = array();
+        foreach ($this->routeCollections as $routeCollection) {
+            $resources = array_merge($resources, $routeCollection->getResources());
+        }
+
+        return array_unique($resources);
+    }
+
+    /**
+     * Adds a resource for this collection.
+     *
+     * @param ResourceInterface $resource A resource instance
+     */
+    public function addResource(ResourceInterface $resource)
+    {
+        $this->createInternalCollection();
+        $this->routeCollection->addResource($resource);
+    }
+
+    private function createInternalCollection()
+    {
+        if (!$this->routeCollection instanceof RouteCollection) {
+            $this->routeCollection = new RouteCollection();
+            $this->routeCollections[] = $this->routeCollection;
+        }
+    }
+}