Update 404 for quicksilver

Change-Id: I3cbee6233fc1f725760270ded49be70dcdbf158f
Signed-off-by: Christopher Guindon <chris.guindon@eclipse-foundation.org>

404.php

diff --git a/404.php b/404.php
index ab7f430..6f39579 100644
--- a/404.php
+++ b/404.php
@@ -28,4 +28,5 @@
 $html = ob_get_clean();
 
 $Theme->setHtml($html);
+$Theme->setDisplayHeaderTitle(TRUE);
 $Theme->generatePage();
\ No newline at end of file

content/en_404.php

diff --git a/content/en_404.php b/content/en_404.php
index 6af2d35..e3a70ad 100644
--- a/content/en_404.php
+++ b/content/en_404.php
@@ -13,9 +13,8 @@
  * SPDX-License-Identifier: EPL-2.0
  */
 ?>
-<div id="fullcolumn">
-  <div id="midcolumn">
-    <h1><?php print $pageTitle;?></h1>
+<div class="row">
+  <div class="col-md-18">
     <p>We're sorry, the page you requested cannot be found. Below are some links that may be useful.</p>
     <ul>
       <li><a href="//eclipse.org">Eclipse home</a></li>
@@ -28,7 +27,7 @@
     </ul>
     <br /><br />
   </div>
-  <div id="rightcolumn">
+  <div class="col-md-6">
     <div class="sideitem">
       <h6>Useful links</h6>
       <ul>