Merge pull request #50 from sashakames/master

Add a tutorials link target

Author: mauzey1

_includes/topbar.html

@@ -66,7 +66,7 @@
                         <a href="#" class="dropdown-toggle" data-toggle="dropdown">Users <b class="caret"></b>
                         </a>
                         <ul class="dropdown-menu">
-                            <li><a href="#">Tutorials</a></li>
+                            <li><a href="https://esgf.github.io/esgf-user-support/user_guide.html">Tutorials</a></li>
                             <li><a href="mailing-list.html">Mailing list</a></li>
                         </ul>
                     </li>