doc: Update urls to @qunitjs

Ref #134

Author: Krinkle

package.json

@@ -19,7 +19,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "https://github.com/kof/node-qunit.git"
+    "url": "https://github.com/qunitjs/node-qunit.git"
   },
   "license": "MIT",
   "keywords": [

readme.md

@@ -1,6 +1,6 @@
 ## QUnit testing framework for Node.js
 
-[![Build Status](https://travis-ci.org/kof/node-qunit.svg?branch=master)](https://travis-ci.org/kof/node-qunit) [![npm](https://img.shields.io/npm/v/qunit.svg?style=flat)](https://www.npmjs.com/package/qunit)
+[![Build Status](https://travis-ci.org/qunitjs/node-qunit.svg?branch=master)](https://travis-ci.org/qunitjs/node-qunit) [![npm](https://img.shields.io/npm/v/qunit.svg?style=flat)](https://www.npmjs.com/package/qunit)
 
 https://qunitjs.com