[Web] Add html2text converter; Show quarantaine html elements as text, do not escape html

data/web/inc/lib/vendor/phpmailer/phpmailer/class.phpmailer.php

@@ -31,7 +31,7 @@ class PHPMailer
      * The PHPMailer Version number.
      * @var string
      */
-    public $Version = '5.2.25';
+    public $Version = '5.2.26';
 
     /**
      * Email priority.
@@ -659,6 +659,8 @@ class PHPMailer
         if ($exceptions !== null) {
             $this->exceptions = (boolean)$exceptions;
         }
+        //Pick an appropriate debug output format automatically
+        $this->Debugoutput = (strpos(PHP_SAPI, 'cli') !== false ? 'echo' : 'html');
     }
 
     /**