hydrating route proto

route.js

    _hydrate: function() {
      var args = arguments;
      var keys = _.keys(this.requires);
      var values = _.values(this.requires);

      /**
      * Create a list of promises.
      */
      var promises = values.map(function(fn) {
        return fn.apply(this, args);
      }.bind(this));

      /**
      * Associate the return values of the promises to keys on `this.data`.
      */
      return q.all(promises).spread(function() {
        _.each(arguments, function(payload, index) {
          var key = keys[index];
          this.data[key] = payload;
        }, this);
      }.bind(this));
    }