Add a bodyClasses parameter to the WdnTemplates view helper.

library/Unl/View/Helper/WdnTemplate.php

@@ -51,6 +51,10 @@ class Unl_View_Helper_WdnTemplate extends Zend_View_Helper_Abstract
                                     'href' => $staticBaseUrl,
                                     'title' => $layout->siteTitle));
 
+        if (!is_array($layout->bodyClasses)) {
+            $layout->bodyClasses = array();
+        }
+
         require_once 'UNL/Templates.php';
         require_once 'UNL/Templates/CachingService/Null.php';
         UNL_Templates::setCachingService(new UNL_Templates_CachingService_Null());
@@ -166,6 +170,10 @@ EOF;
         }
         $template->footercontent .= '</script>' . PHP_EOL;
 
+        foreach ($layout->bodyClasses as $bodyClass) {
+            $template->__params['class']['value'] .= " $bodyClass";
+        }
+
         $html = $template->toHtml();
         return $html;
 	}