message: BugFix: missing jpg content type breaks corrupts presentation for Office365
diff: @@ -4156,6 +4156,7 @@ var PptxGenJS = function(){
  strXml += ' <Default Extension="xml" ContentType="application/xml"/>';
  strXml += ' <Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>';
  strXml += ' <Default Extension="jpeg" ContentType="image/jpeg"/>';
  + strXml += ' <Default Extension="jpg" ContentType="image/jpg"/>';
  // STEP 1: Add standard/any media types used in Presenation
  strXml += ' <Default Extension="png" ContentType="image/png"/>';
  