Allowing page to scroll to end on install

Change-Id: I40de5ba485eb3b10da1bf8565835d744e56a2c26
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>

htdocs/admin/upgrade.php

@@ -139,10 +139,8 @@ foreach ($upgrades as $key => $upgrade) {
 $js = <<< EOJS
             function processNext() {
                 var element = todo.shift();
-
                 if (!element) {
-                    $('finished').style.visibility = 'visible';
-                    window.scrollTo(0, 5000000);
+                    jQuery('html, body').animate({ scrollTop: jQuery('#installdone').offset().top }, 'slow');
                     return; // done
                 }
 

htdocs/theme/raw/templates/admin/upgrade.tpl

@@ -28,6 +28,6 @@
         {/foreach}
         </tbody>
     </table>
-    <div id="" class="nojs-hidden-block panel-body">{str section=admin tag=successfullyinstalled} <a href="{$WWWROOT}admin/upgrade.php?finished=1">{str section=admin tag=continue}</a></div>
+    <div id="installdone" class="nojs-hidden-block panel-body">{str section=admin tag=successfullyinstalled} <a href="{$WWWROOT}admin/upgrade.php?finished=1">{str section=admin tag=continue}</a></div>
 </div>
 {include file='admin/upgradefooter.tpl'}