code: function(assemble, next) {
        grunt.verbose.writeln('Assembling default layout'.cyan);
  
        // load default layout
        loadLayout(
          assemble.options.layout,
          assemble,
          function(err, results) {
            if (!err) {
              assemble.options.defaultLayout = results;
            } else {
              grunt.warn(err.message);
            }
          });
  
        next(assemble);
      }
docs: Layout
  @param  {[type]}   assemble [description]
  @param  {Function} next     [description]
  @return {[type]}            [description]