Minor - Add missing settings

config/packages/security_checker.yaml

@@ -0,0 +1,9 @@
+services:
+    SensioLabs\Security\SecurityChecker:
+        public: false
+
+    SensioLabs\Security\Command\SecurityCheckerCommand:
+        arguments: ['@SensioLabs\Security\SecurityChecker']
+        public: false
+        tags:
+            - { name: console.command, command: 'security:check' }

config/packages/sonata_notification.yaml

@@ -0,0 +1,7 @@
+sonata_notification:
+    class:
+        message: Chamilo\NotificationBundle\Entity\Message
+    consumers:
+        register_default: false
+    admin:
+        enabled: false

config/routes/fm_elfinder.yaml

@@ -0,0 +1,2 @@
+fm_elfinder:
+    resource: "@FMElfinderBundle/Resources/config/routing.yml"

config/routes/sonata_media.yaml

@@ -0,0 +1,7 @@
+sonata_media_gallery:
+    resource: '@SonataMediaBundle/Resources/config/routing/gallery.xml'
+    prefix: /media/gallery
+
+sonata_media:
+    resource: '@SonataMediaBundle/Resources/config/routing/media.xml'
+    prefix: /media