Fix django 1.7 incompatibilities: Upgrade wsgi.py according to https://docs.djangoproject.com/en/1.7/releases/1.7/#wsgi-scripts

 - Legacy-Id: 8829

Author: levkowetz

ietf/wsgi.py

@@ -47,6 +47,6 @@
 
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "ietf.settings")
 
-import django.core.handlers.wsgi
-application = django.core.handlers.wsgi.WSGIHandler()
+from django.core.wsgi import get_wsgi_application
+application = get_wsgi_application()