Replace deprecated settings

Issue #946
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/settings_example.py

@@ -296,10 +296,10 @@ LOCALE_PATHS = (os.path.join(BASE_DIR, 'locale'), )
 # Context processors
 TEMPLATE_CONTEXT_PROCESSORS = (
     'django.contrib.auth.context_processors.auth',
-    'django.core.context_processors.debug',
-    'django.core.context_processors.i18n',
-    'django.core.context_processors.request',
-    'django.core.context_processors.csrf',
+    'django.template.context_processors.debug',
+    'django.template.context_processors.i18n',
+    'django.template.context_processors.request',
+    'django.template.context_processors.csrf',
     'django.contrib.messages.context_processors.messages',
     'weblate.trans.context_processors.weblate_context',
 )