code: function extractFolders( files ) {
      return files.data.files.map( function extractPath( file ) {
        return path.parse( file ).dir;
      }).filter( function extractUnique( path, index, array ) {
        return array.indexOf( path ) === index;
      });
    }
docs: Parses retrieved KSS meta data and extracts a list of folders to create fixtures for.
  
  @param {array} files - a list of all the files retrieved from the KSS meta data.
  @returns {array} a list of all the folders to create fixtures for.