refs #16654. Adjust widget/Chart.js to latest changes in Chart.js
refs #16654. Adjust widget/Chart.js to latest changes in Chart.js

git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@30626 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful