code: function getOptions(sources, keys, dest) {
      var options = dest || { };
  
      // allow source be an array
      if (!_.isArray(sources)) {
          sources = [ sources ];
      }
  
      // using the keys for lookup
      keys.forEach(function(key) {
          // from each source
          sources.forEach(function(source) {
              if (source && source[key]) {
                  options[key] = source[key];
              }
          });
      });
  
      return options;
  }
docs: Return an object with key-value pairs, using keys, from an object
  
  @param {Object|Object[]} sources - object(s) to look for the properties
  @param {Array} keys - an array of keys of the properties to look up
  @param {Object} [dest] - destination object
  @return {Object} options