[1.8.x] Moved contrib.flatpages tests out of contrib.

Backport of d3a725054f from master

tests/flatpages_tests/settings.py

@@ -0,0 +1,11 @@
+import os
+
+FLATPAGES_TEMPLATES = [{
+    'BACKEND': 'django.template.backends.django.DjangoTemplates',
+    'DIRS': [os.path.join(os.path.dirname(__file__), 'templates')],
+    'OPTIONS': {
+        'context_processors': (
+            'django.contrib.auth.context_processors.auth',
+        ),
+    },
+}]