Add the active notifications and rest api key to user profile page.

modules/notification/views/user_profile_notification.html.php

@@ -0,0 +1,12 @@
+<?php defined("SYSPATH") or die("No direct script access.") ?>
+<div id="g-notification-detail">
+<ul>
+  <? foreach ($subscriptions as $subscription): ?>
+  <li id="g-watch-<?= $subscription->id ?>">
+    <a href="<?= $subscription->url ?>">
+      <?= html::purify($subscription->title) ?>
+    </a>
+  </li>
+  <? endforeach ?>
+</ul>
+</div>