Merge branch 'master' into notebook-snapshot-cors

src/exporters/ImageExporter.js

@@ -78,6 +78,9 @@ class ImageExporter {
         }
 
         return html2canvas(element, {
+            useCORS: true,
+            allowTaint: true,
+            logging: false,
             onclone: function (document) {
                 if (className) {
                     const clonedElement = document.getElementById(exportId);