message: Removed old attrs (Issue
diff: @@ -64,15 +64,15 @@ Use JavaScript to create a PowerPoint presentation with your web browser right n
  ## Client-Side
  ### Include Local Scripts
  ```javascript
  -<script lang="javascript" src="PptxGenJS/libs/jquery.min.js"></script>
  -<script lang="javascript" src="PptxGenJS/libs/jszip.min.js"></script>
  -<script lang="javascript" src="PptxGenJS/dist/pptxgen.js"></script>
  +<script src="PptxGenJS/libs/jquery.min.js"></script>
  +<script src="PptxGenJS/libs/jszip.min.js"></script>
  +<script src="PptxGenJS/dist/pptxgen.js"></script>
  ```
  * IE11 support requires a Promises polyfill as well (included in the libs folder)
  ### Include Bundled Script
  ```javascript
  -<script lang="javascript" src="PptxGenJS/dist/pptxgen.bundle.js"></script>
  +<script src="PptxGenJS/dist/pptxgen.bundle.js"></script>
  ```
  * Bundle script includes all libraries: jQuery + JSzip + PptxGenJS + Promises
  @@ -170,7 +170,7 @@ include the `pptxgen.shapes.js` library.
  The shapes file contains a complete PowerPoint Shape object array thanks to the [officegen project](https://github.com/Ziv-Barber/officegen).
  ```javascript
  -<script lang="javascript" src="PptxGenJS/dist/pptxgen.shapes.js"></script>
  +<script src="PptxGenJS/dist/pptxgen.shapes.js"></script>
  ```
  