Merge pull request graphql#340 from bdougie/patch-1

adds GraphQLList to the imports when mentioned

Author: wincent

site/blog/20160502-rest-api-graphql-wrapper.md

@@ -51,6 +51,7 @@ Each field will consist of a return type, optional argument definitions, and a J
 
 ```js
 import {
+  GraphQLList,
   GraphQLObjectType,
   GraphQLString,
 } from 'graphql';