updated ghent url to https

Author: edsilv

index.html

@@ -266,7 +266,7 @@ <h3>Securable</h3>
                     </a>
                 </div>
                 <div class="col-lg-4 col-sm-6">
-                    <a href="http://lib.ugent.be/viewer/archive.ugent.be%3A4B39C8CA-6FF9-11E1-8C42-C8A93B7C8C91" data-manifest="http://adore.ugent.be/IIIF/manifests/archive.ugent.be%3A4B39C8CA-6FF9-11E1-8C42-C8A93B7C8C91" class="showcase-box">
+                    <a href="https://lib.ugent.be/viewer/archive.ugent.be%3A4B39C8CA-6FF9-11E1-8C42-C8A93B7C8C91" data-manifest="https://adore.ugent.be/IIIF/manifests/archive.ugent.be%3A4B39C8CA-6FF9-11E1-8C42-C8A93B7C8C91" class="showcase-box">
                         <img src="/img/showcase/ghent.jpg" class="img-responsive" alt="">
                         <div class="showcase-box-caption">
                             <div class="showcase-box-caption-content">