message: updated to use CDN dist
diff: <script type="text/javascript" src="https://cdn.rawgit.com/gitbrent/PptxGenJS/v2.2.0/dist/pptxgen.bundle.js"></script>
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  + <script type="text/javascript" src="https://cdn.rawgit.com/gitbrent/PptxGenJS/master/dist/pptxgen.bundle.js"></script>
  + <script type="text/javascript" src="https://cdn.rawgit.com/gitbrent/PptxGenJS/master/examples/pptxgenjs-demo.js"></script>
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  <!-- LOCAL TESTING:
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  <script type="text/javascript" src="../dist/pptxgen.js"></script>
  <script type="text/javascript" src="../examples/pptxgenjs-demo.js"></script>
  + -->
  <script type="text/javascript">
  // ==================================================================================================================
  