message: Added options to table2slidesDemoForTab method
diff: <title>PptxGenJS Examples/Demo Page</title>
  <meta http-equiv="X-UA-Compatible" content="IE=edge;chrome=1">
  <meta name="author" content="https://github.com/gitbrent">
  - <meta name="date" content="20180424">
  + <meta name="date" content="20180514">
  <link href="https://fonts.googleapis.com/css?family=Roboto:100,300|Roboto+Mono|Open+Sans" rel="stylesheet">
  <!-- IE11 Users: - Use the following 3 lines instead of the one above
  <link href="https://fonts.googleapis.com/css?family=Roboto:100" rel="stylesheet">
  $('#tabAutoPaging tbody tr:last-child td:last-child').css('font-size','16px');
  }
  - function table2slidesDemoForTab(inTabId) {
  + function table2slidesDemoForTab(inTabId,inOpts) {
  var pptx = new PptxGenJS();
  - pptx.addSlidesForTable(inTabId);
  + pptx.addSlidesForTable(inTabId,(inOpts||null));
  pptx.save( inTabId+'_'+getTimestamp() );
  }
  </tbody>
  </table>
  <div class="demoBtns">
  - <button type="button" class="flatBtn flatBtn-green" onclick="table2slidesDemoForTab('tabRowColspan')">Rowspan Demo</button>
  + <button type="button" class="flatBtn flatBtn-green" onclick="table2slidesDemoForTab('tabRowColspan',{addHeaderToEach:true})">Rowspan+Colspan Demo</button>
  <button type="button" class="flatBtn flatBtn-blueMd" onclick="$('#tabRowColspan tbody').append($('#tabRowColspan tbody tr:first-child').clone())">Add Table Row</button>
  </div>
  </fieldset>
  