code: function includedFile(fileName) {
              var relativePath = fileName.substring(appDir.length + 1);
              var result = false;
              for (var i = 0; i < onlyIncludeList.length; i++) {
                  var prefix = onlyIncludeList[i];
                  if (relativePath.indexOf(prefix) === 0) {
                      result = true;
                      break;
                  }
              }
              return result;
          }
docs: determine if a file is in the include list
  @param fileName
  @returns {boolean}