code: function(path, definitions) {
      path = path.replace(/^#\/definitions\//, '').split('/');
  
      var find = function(path, root) {
        var key = path.shift();
        if (!root[key]) {
          return {};
        } else if (!path.length) {
          return root[key];
        } else {
          return find(path, root[key]);
        }
      };
  
      var result = find(path, definitions);
  
      if (!isObject(result)) {
        return result;
      }
      return cloneJSON(result);
    }
docs: get object by reference. works only with local references that points on
  definitions object
  
  @param {String} path
  @param {Object} definitions
  @return {Object}