docs: Update header and footer links in documentation

Change-Id: I36be168c666e7eb7217b96117c89eafe31cd09c7
Signed-off-by: Ben Walker <benjamin.walker@intel.com>

doc/footer.html

@@ -17,18 +17,27 @@
         </div>
         <div class="col-lg-6">
           <ul class="list-inline community-box-buttons">
-            <li>
-              <a href="https://01.org/spdk" class="btn btn-default btn-lg">
-                <img class="fa fa-fw" src="http://www.spdk.io/img/ico/01.png"></img>
-                <span class="box-name">01.org</span>
-              </a>
-            </li>
             <li>
               <a href="https://github.com/spdk/spdk" class="btn btn-default btn-lg">
-                <img class="fa fa-fw" src="http://www.spdk.io/img/ico/github.png"></img>
+                <img class="box-ico" src="http://www.spdk.io/img/ico/github.png"></img>
                 <span class="box-name">github</span>
               </a>
             </li>
+
+            <li>
+              <a href="https://lists.01.org/mailman/listinfo/spdk" class="btn btn-default btn-lg">
+                <img class="box-ico" src="http://www.spdk.io/img/ico/125a-email-message-solid.svg"></img>
+                <span class="box-name">mailing list</span>
+              </a>
+            </li>
+
+            <li>
+              <a href="http://spdk.io/spdk/doc/" class="btn btn-default btn-lg">
+                <img class="box-ico" src="http://www.spdk.io/img/ico/003-instructions.svg"></img>
+                <span class="box-name">documentation</span>
+              </a>
+            </li>
+
           </ul>
         </div>
       </div>

doc/header.html

@@ -29,7 +29,7 @@ $extrastylesheet
       <div class="row">
         <div class="col-lg-12">
           <div class="page-title">
-            <h1>Storage Performance Development Kit</h1>
+            <h1><a href="http://www.spdk.io">Storage Performance Development Kit</a></h1>
           </div>
         </div>
       </div>