Update content in http://developer.openstack.org/

Change-Id: Iabedf9d7f1ec217d43beac667f36267eb96dc646

www/index.html

@@ -765,6 +765,11 @@
          Orchestration
         </a>
        </dd>
+       <dd>
+        <a href="https://git.openstack.org/cgit/openstack/python-manilaclient/">
+         Shared File Systems
+        </a>
+       </dd>
        <dd>
         <a href="https://git.openstack.org/cgit/openstack/python-ceilometerclient/">
          Telemetry
@@ -869,6 +874,11 @@
          Block Storage API v1 (DEPRECATED)
         </a>
        </dd>
+       <dd>
+        <a href="http://developer.openstack.org/api-ref-clustering-v1.html">
+         Clustering API v1 (CURRENT)
+        </a>
+       </dd>
        <dd>
         <a href="http://developer.openstack.org/api-ref-compute-v2.1.html">
          Compute API (CURRENT)
@@ -964,7 +974,7 @@
     <hr/>
     <p>
      Documentation treated like code, powered by the community - interested? Here's
-     <a href="http://wiki.openstack.org/Documentation/HowTo">
+     <a href="http://docs.openstack.org/contributor-guide/">
       how to contribute
      </a>
      .