Replaced a few icons with imgs

modules/monitoring/application/forms/Config/ConfirmRemovalForm.php

@@ -86,7 +86,7 @@ class ConfirmRemovalForm extends Form
                 'escape'    => false,
                 'value'     => '1',
                 'class'     => 'btn btn-cta btn-common',
-                'label'     => '<i class="icinga-icon-remove"></i> Confirm Removal'
+                'label'     => $this->view->img('img/icons/remove.png') . ' Confirm Removal'
             )
         );
     }

modules/monitoring/application/views/helpers/CommandForm.php

@@ -98,11 +98,11 @@ class Zend_View_Helper_CommandForm extends Zend_View_Helper_Abstract
      *
      * @return Form
      */
-    public function iconSubmitForm($iconCls, $submitTitle, $cls, $commandName, array $arguments = array())
+    public function iconSubmitForm($icon, $submitTitle, $cls, $commandName, array $arguments = array())
     {
         $form = $this->labelSubmitForm('', $submitTitle, $cls, $commandName, $arguments);
         $submit = $form->getElement('btn_submit');
-        $submit->setLabel(sprintf('<i class="%s"></i>', $iconCls));
+        $submit->setLabel($this->view->img($icon));
 
         return $form;
     }

modules/monitoring/application/views/scripts/config/index.phtml

@@ -9,7 +9,7 @@
 
 <div>
   <a href="<?= Url::fromPath('/monitoring/config/createbackend')->getAbsoluteUrl();?>">
-      <i class="icinga-icon-create"></i> Create New Monitoring Backend
+      <?= $this->img('img/icons/create.png') ?> Create New Monitoring Backend
   </a>
 </div>
 <br/>