add ?public? option for Character groups Quests (implements #146)

views/html/charactergroups/groupsgroup.tpl

@@ -38,10 +38,12 @@
 
 <ul class="cgqlist cf">
     <?php foreach($quests as &$quest) : ?>
+<?php if($quest['public'] || count(array_intersect(array('admin', 'moderator'), \hhu\z\controllers\SeminaryController::$character['characterroles'])) > 0) : ?>
     <li class="cf">
         <img src="<?=$linker->link(array('media','charactergroupsquest',$seminary['url'],$groupsgroup['url'],$quest['url']))?>" />
         <p><a href="<?=$linker->link(array('charactergroupsquests','quest',$seminary['url'],$groupsgroup['url'],$quest['url']))?>"><?=$quest['title']?></a></p>
     </li>
+<?php endif ?>
     <?php endforeach ?>
 </ul>