Update url to reflect OKD rebranding

Author: liangxia

welcome/templates/welcome/index.html

@@ -220,7 +220,7 @@ <h1>Welcome to your Django application on OpenShift</h1>
           <section class='col-xs-12 col-sm-6 col-md-6'>
             <section>
               <h2>How to use this example application</h2>
-                <p>For instructions on how to use this application with OpenShift, start by reading the <a href="http://docs.openshift.org/latest/dev_guide/templates.html#using-the-quickstart-templates">Developer Guide</a>.</p>
+                <p>For instructions on how to use this application with OpenShift, start by reading the <a href="http://docs.okd.io/latest/dev_guide/templates.html#using-the-quickstart-templates">Developer Guide</a>.</p>
 
               <h2>Deploying code changes</h2>
                 <p>
@@ -281,20 +281,20 @@ <h3>Expanding on sample app</h3>
 
                 <h2>Managing your application</h2>
 
-                <p>Documentation on how to manage your application from the Web Console or Command Line is available at the <a href="http://docs.openshift.org/latest/dev_guide/overview.html">Developer Guide</a>.</p>
+                <p>Documentation on how to manage your application from the Web Console or Command Line is available at the <a href="http://docs.okd.io/latest/dev_guide/overview.html">Developer Guide</a>.</p>
 
                 <h3>Web Console</h3>
                 <p>You can use the Web Console to view the state of your application components and launch new builds.</p>
 
                 <h3>Command Line</h3>
-                <p>With the <a href="http://docs.openshift.org/latest/cli_reference/overview.html">OpenShift command line interface</a> (CLI), you can create applications and manage projects from a terminal.</p>
+                <p>With the <a href="http://docs.okd.io/latest/cli_reference/overview.html">OpenShift command line interface</a> (CLI), you can create applications and manage projects from a terminal.</p>
 
                 <h2>Development Resources</h2>
                   <ul>
-                    <li><a href="http://docs.openshift.org/latest/welcome/index.html">OpenShift Documentation</a></li>
+                    <li><a href="http://docs.okd.io/latest/welcome/index.html">OpenShift Documentation</a></li>
                     <li><a href="https://github.com/openshift/origin">Openshift Origin GitHub</a></li>
                     <li><a href="https://github.com/openshift/source-to-image">Source To Image GitHub</a></li>
-                    <li><a href="http://docs.openshift.org/latest/using_images/s2i_images/python.html">Getting Started with Python on OpenShift</a></li>
+                    <li><a href="http://docs.okd.io/latest/using_images/s2i_images/python.html">Getting Started with Python on OpenShift</a></li>
                     <li><a href="http://stackoverflow.com/questions/tagged/openshift">Stack Overflow questions for OpenShift</a></li>
                     <li><a href="http://git-scm.com/documentation">Git documentation</a></li>
                   </ul>