Introduce SERVICE_URL

Change-Id: I2efd7d0aed3fdd9481ab7d54b1f295efe1c89aa8
diff --git a/templates/register.htm b/templates/register.htm
index bf1171c..085b03a 100644
--- a/templates/register.htm
+++ b/templates/register.htm
@@ -1,6 +1,6 @@
 <header class="d-flex flex-wrap py-340 mb-8 pb-5">
     <div class="col-md-2 justify-content-start align-self-center pb-1 float-start">
-        <a href="/">
+        <a href="<?php echo $SERVICE_URL;?>">
             <img class="" width="80" src="<?php echo $SERVICE_LOGO;?>" alt="<?php echo $SERVICE_NAME; ?>" />
         </a>
     </div>
@@ -47,7 +47,7 @@
             <option value="Dr.">Dr.</option>
             <option value="Prof. Dr.">Prof. Dr.</option>
           </select>
-        </div>
+    </div>
     <?php endif; ?>
     <!-- 2 column grid layout with text inputs for the first and last names -->
     <div class="col-md-4">