code: function getRouteFiles (pathName) {
      var items = fs.readdirSync(pathName);
      var files = [];
  
      items.forEach(function(itemName) {
          var fullName = path.join(pathName, itemName);
          var fsStat = fs.statSync(fullName);
  
          // If directory, then scan for "routes.js"
          if (fsStat.isDirectory()) {
              getRouteFiles(fullName).forEach(function(a) {
                  files.push(a);
              });
          } else if (fsStat.isFile() && itemName === 'routes.js') {
              // routes.js found, append to list
              files.push(fullName);
          }
      });
  
      return files;
  }
docs: Returns all "routes.js" files in specified directory, including sub directory
  
  @param {String} pathName
  @returns {Array}