Move the highlightparent-plugin, because messages

The link from the highlightparent-plugin is supposed to stay inside the
grey bar at top of the page, even if there are messages. To facilitate
that, it's easiest to explicitly place it above the msg-area.

For this to work, the highlightparent-plugin must be updated.

SPR-944

main.php

@@ -325,7 +325,13 @@ $classWideContent = ($ACT === "show") ? "": "wide-content ";
                             </div>
 
                             <div class="qc-output"></div>
-
+                            <?php
+                            /** @var action_plugin_highlightparent $highlightParent */
+                            $highlightParent = plugin_load('action', 'highlightparent');
+                            if ($highlightParent) {
+                                echo $highlightParent->tpl();
+                            }
+                            ?>
                             <div class="msg-area"><?php html_msgarea();/*msg('Information.', 0);msg('Success', 1);msg('Notification', 2);msg('Fehler', -1);*/ ?></div>
                             <div class="clearer"></div>
                             <?php