Comment Overview: Provide a show more link when in compact view

refs #6677

modules/monitoring/application/views/scripts/list/comments.phtml

@@ -17,7 +17,7 @@
          data-icinga-multiselect-url="/icingaweb2/monitoring/comments/show"
          data-icinga-multiselect-data="comment_id">
     <tbody>
-    <?php foreach ($comments as $comment): ?>
+    <?php foreach ($comments->peekAhead($this->compact) as $comment): ?>
       <tr class="state invalid">
         <td class="state" style="width: 12em;">
           <?= $this->partial('partials/comment/comment-description.phtml', array('comment' => $comment)); ?>
@@ -86,5 +86,15 @@
   </table>
 <?php if (! $comments->hasResult()): ?>
   <?= $this->translate('No comments found matching the filter'); ?>
+<?php elseif ($comments->hasMore()): ?>
+  <?= $this->qlink(
+    $this->translate('Show More'),
+    $this->url()->without(array('view', 'limit')),
+    null,
+    array(
+      'data-base-target'    => '_next',
+      'class'               => 'pull-right'
+    )
+  ); ?>
 <?php endif ?>
 </div>