Change setlang url

common/djangoapps/user_api/urls.py

@@ -9,5 +9,5 @@ user_api_router.register(r'user_prefs', user_api_views.UserPreferenceViewSet)
 urlpatterns = patterns(
     '',
     url(r'^v1/', include(user_api_router.urls)),
-    url(r'^setlang/', 'user_api.views.set_language', name='user_api_set_language')
+    url(r'^v1/setlang/', 'user_api.views.set_language', name='user_api_set_language')
 )

lms/templates/dashboard.html

@@ -85,7 +85,7 @@
 
     $("#submit-lang").click(function(event, xhr) {
         event.preventDefault();
-        $.post('/user_api/setlang/',
+        $.post('/user_api/v1/setlang/',
             {"language": $('#settings-language-value').val()})
         .done(
             function(data){