Insert header boilerplate for v1.2 pages

assets_site/partials/page_layout/header.html

@@ -3,6 +3,29 @@
 </div>
 
 <header id="masthead-black-bar" class="clearfix masthead-black-bar">
+{{#ifequal framework-version 'v1.2'}}
+  <nav class="row">
+    <ul id="global-nav" class="menu">
+      <!-- set active class as appropriate -->
+      <li class="home-mobile"><a href="//www.ebi.ac.uk"></a></li>
+      <li class="home active"><a href="//www.ebi.ac.uk">EMBL-EBI</a></li>
+      <li class="services"><a href="//www.ebi.ac.uk/services">Services</a></li>
+      <li class="research"><a href="//www.ebi.ac.uk/research">Research</a></li>
+      <li class="training"><a href="//www.ebi.ac.uk/training">Training</a></li>
+      <li class="about"><a href="//www.ebi.ac.uk/about">About us</a></li>
+      <li class="search">
+        <a href="#" data-toggle="search-global-dropdown"><span class="show-for-small-only">Search</span></a>
+        <div id="search-global-dropdown" class="dropdown-pane" data-dropdown data-options="closeOnClick:true;">
+        <!-- The dropdown menu will be programatically added by script.js -->
+        </div>
+      </li>
+      <li class="float-right show-for-medium embl-selector">
+        <button class="button float-right" type="button" data-toggle="embl-dropdown">Hinxton</button>
+        <!-- The dropdown menu will be programatically added by script.js -->
+      </li>
+    </ul>
+  </nav>
+{{/#ifequal}}
 </header>
 <div data-sticky-container>
   <header id="masthead" class="masthead" data-sticky data-sticky-on="large" data-top-anchor="content:top" data-btm-anchor="content:bottom">