Use the right middleware settings name for Django 1.10 and later

Author: ahumeau

ckeditor_demo/settings.py

@@ -77,14 +77,18 @@
     'ckeditor_demo.demo_application',
 )
 
-MIDDLEWARE_CLASSES = (
+_MIDDLEWARE = (
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
 )
+if django.VERSION >= (1, 10):
+    MIDDLEWARE = _MIDDLEWARE
+else:
+    MIDDLEWARE_CLASSES = _MIDDLEWARE
 
 ROOT_URLCONF = 'ckeditor_demo.urls'