Improve activity stream layout

app/Template/event/task_update.php

@@ -3,12 +3,13 @@
             $this->text->e($author),
             $this->url->link(t('#%d', $task['id']), 'task', 'show', array('task_id' => $task['id'], 'project_id' => $task['project_id']))
         ) ?>
+    <span class="activity-date"><?= $this->dt->datetime($date_creation) ?></span>
 </p>
-<p class="activity-description">
-    <em><?= $this->text->e($task['title']) ?></em>
+<div class="activity-description">
+    <p class="activity-task-title"><?= $this->text->e($task['title']) ?></p>
     <?php if (isset($changes)): ?>
         <div class="activity-changes">
             <?= $this->render('task/changes', array('changes' => $changes, 'task' => $task)) ?>
         </div>
     <?php endif ?>
-</p>
+</div>