monitoring/list/comments: Enhance PDF layout

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

@@ -20,6 +20,12 @@
            data-icinga-multiselect-url="<?= $this->href('monitoring/comments/show') ?>"
            data-icinga-multiselect-related="<?= $this->href("monitoring/comments") ?>"
            data-icinga-multiselect-data="comment_id">
+    <thead class="print-only">
+        <tr>
+            <th><?= $this->translate('Type') ?></th>
+            <th><?= $this->translate('Comment') ?></th>
+        </tr>
+    </thead>
     <tbody>
     <?php foreach ($comments->peekAhead($this->compact) as $comment): ?>
         <tr href="<?=  $this->href('monitoring/comment/show', array('comment_id' => $comment->id)) ?>">
@@ -40,7 +46,7 @@
     </tbody>
     </table>
 <?php if ($comments->hasMore()): ?>
-    <div class="action-links">
+    <div class="dont-print action-links">
         <?= $this->qlink(
             $this->translate('Show More'),
             $this->url()->without(array('showCompact', 'limit')),

modules/monitoring/application/views/scripts/partials/comment/comment-detail.phtml

@@ -63,7 +63,7 @@
         $textId = 'comment-' . $uniqId;
         $deleteButton = clone $delCommentForm;
         /** @var \Icinga\Module\Monitoring\Forms\Command\Object\DeleteCommentCommandForm $deleteButton */
-        $deleteButton->setAttrib('class', $deleteButton->getAttrib('class') . ' remove-action');
+        $deleteButton->setAttrib('class', $deleteButton->getAttrib('class') . ' remove-action dont-print');
         $deleteButton->populate(
             array(
                 'comment_id'            => $comment->id,