code: function parseDescription (node, nodeType, feedType) {
    var propOrder = nodeType === 'item' ?
      ['description', 'summary', 'itunes:summary', 'content:encoded', 'content'] :
      ['description', 'subtitle', 'itunes:summary'];
  
    return utils.stripHtml(utils.getFirstFoundPropValue(node, propOrder));
  }
docs: Parses the description of a meta or item node and strips HTML
  
  - description
  - highest priority and quantity in RSS feeds for both meta and item nodes.
  - rarely found in ATOM feeds, commonly found in RSS feeds
  - subtitle
  - highest priority and quantity in ATOM feeds for meta nodes
  - rarely found in RSS feeds
  - summary
  - highest priority in ATOM feeds for item nodes.
  - rarely found in RSS feeds if ever, almost always found in ATOM feeds
  - Item nodes that contain summary will sometimes include content.
  - itunes:summary
  - next best priority in RSS feeds after description
  - rarely found in ATOM feeds if ever, sometimes found in RSS feeds.
  - content:encoded
  - least priority for item nodes
  - more commonly found in RSS feeds and rarely found in ATOM feeds if ever
  - content
  - least priority for item nodes
  - more commonly found in ATOM feeds and sometimes found in RSS feeds
  
  @param node
  @param nodeType
  @param feedType
  @returns {string}