Bug #2984: Add a csrftoken to the upload ajax call

(cherry picked from commit 0952428027)
(cherry picked from commit 87f1459eaf386e67522be2e1d50fe85ed4874110)

src/sunstone/public/js/plugins/images-tab.js

@@ -938,6 +938,7 @@ function initialize_create_image_dialog(dialog) {
         },
         onSubmit: function(id, fileName){
             uploader.setParams({
+                csrftoken: csrftoken,
                 img : JSON.stringify(img_obj),
                 file: fileName
             });