Redirect index page
https://amy.software-carpentry.org/ should redirect to https://amy.software-carpentry.org/workshops rather than returning a 404.
diff --git a/amy/urls.py b/amy/urls.py
index 1d681aa9..5007764b 100644
--- a/amy/urls.py
+++ b/amy/urls.py
@@ -2,8 +2,10 @@ from django.conf import settings
 from django.conf.urls import include, url
 from django.contrib import admin
 from django.contrib.auth import views as auth_views
+from django.views.generic import RedirectView
 
 urlpatterns = [
+    url(r'^$', RedirectView.as_view(pattern_name='dispatch')),
     url(r'^workshops/admin/', include(admin.site.urls)),
 ]
 if settings.ENABLE_PYDATA:
diff --git a/workshops/test/test_security.py b/workshops/test/test_security.py
index 6006e909..809a3a83 100644
--- a/workshops/test/test_security.py
+++ b/workshops/test/test_security.py
@@ -2,7 +2,7 @@ from django.contrib.admin import ModelAdmin
 from django.contrib.admin.sites import AdminSite
 from django.contrib.auth.models import Group
 from django.core.urlresolvers import reverse
-from django.views.generic import View
+from django.views.generic import View, RedirectView
 from rest_framework.views import APIView
 
 from amy import urls
@@ -284,12 +284,15 @@ class TestViews(TestBase):
                     is_model_admin = isinstance(model_admin, ModelAdmin)
                     is_admin_site = isinstance(admin_site, AdminSite)
                     is_api_view = class_ is not None and issubclass(class_, APIView)
+                    is_redirect_view = class_ is not None and issubclass(class_, RedirectView)
                     is_view = class_ is not None and issubclass(class_, View)
 
                     if is_model_admin or is_admin_site:
                         pass  # ignore admin views
                     elif is_api_view:
                         pass  # ignore REST API views
+                    elif is_redirect_view:
+                        pass  # ignore pure redirect views
                     else:
                         assert is_view
 
['workshops/test/test_security.py', 'amy/urls.py']