message: Touch to prevent startup errors when downloading custom icon
  (fixes
diff: @@ -90,6 +90,7 @@ if (config.get('application.favicon')) {
  if (utils.startsWith(icon, 'http')) {
  const iconPath = icon
  icon = decodeURIComponent(icon.substring(icon.lastIndexOf('/') + 1))
  + fs.closeSync(fs.openSync('app/public/' + icon, 'w')) // touch file so it is guaranteed to exist for favicon() call
  utils.downloadToFile(iconPath, 'app/public/' + icon)
  }
  }
  