Add link for case studies.

case-studies/index.html

@@ -92,6 +92,7 @@ cid: caseStudies
             <a href="/case-studies/pearson/"><img src="/images/case_studies/pearson_logo.png" alt="Pearson"></a>
             <a target="_blank" href="#" onclick="event.preventDefault(); kub.showVideo()"><img src="/images/case_studies/zulily_logo.png" alt="zulily"></a>
             <a target="_blank" href="http://www.nextplatform.com/2015/11/12/inside-ebays-shift-to-kubernetes-and-containers-atop-openstack/"><img src="/images/case_studies/ebay_logo.png" alt="Ebay"></a>
+            <a target="_blank" href="http://blog.kubernetes.io/2017/02/inside-jd-com-shift-to-kubernetes-from-openstack.html"><img src="/images/case_studies/jd.png" alt="JD.COM"></a>
             <a target="_blank" href="https://docs.google.com/a/google.com/forms/d/e/1FAIpQLScuI7Ye3VQHQTwBASrgkjQDSS5TP0g3AXfFhwSM9YpHgxRKFA/viewform" class="tell-your-story"><img src="/images/case_studies/story.png" alt="Tell your story"></a>
         </div>
     </main>