Move context-changing function out of template

For #454 and #465

modules/consentAdmin/templates/consentadmin.php

 <?php $this->includeAtTemplateBase('includes/header.php'); ?>
 <!--  default theme -->
-<?php 
-$this->getTranslator()->includeLanguageFile('attributes.php'); // attribute listings translated by this dictionary
- 
-?> 
 
 <script>
 	function setConsentText(consentStatus, show_spid) {

modules/consentAdmin/www/consentAdmin.php

@@ -187,6 +187,7 @@ if ($action !== null && $sp_entityid !== null) {
     }
     // init template to enable translation of status messages
     $template = new SimpleSAML_XHTML_Template($config, 'consentAdmin:consentadminajax.php', 'consentAdmin:consentadmin');
+    $template->getTranslator()->includeLanguageFile('attributes.php'); // attribute listings translated by this dictionary
     $template->data['res'] = $res;
     $template->show();
     exit;