dashboard: add locale support

closes #106

circle/circle/settings/base.py

@@ -192,6 +192,7 @@ MIDDLEWARE_CLASSES = (
     # Default Django middleware.
     'django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.locale.LocaleMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',

circle/dashboard/views.py

@@ -1999,8 +1999,10 @@ def circle_login(request):
     extra_context = {
         'saml2': hasattr(settings, "SAML_CONFIG")
     }
-    return login(request, authentication_form=authentication_form,
+    response = login(request, authentication_form=authentication_form,
                      extra_context=extra_context)
+    set_language_cookie(request, response)
+    return response
 
 
 class DiskAddView(TemplateView):