title: How do I add a BOM to all UTF-8 files in a project?
body: <p>Current encoding is UTF-8 and I want to add BOM to all the files</p>
  
  <p>Context: Windows 8 app certification toolkit throws following error, if BOM is not added:</p>
  
  <p>File C:\x\y\z.js is not properly UTF-8 encoded. Re-save the file as UTF-8 (including Byte Order Mark).</p>