add get pdf link to view webpage

edgware/templates/article_frontend.html

@@ -220,7 +220,7 @@ p {
 <p>&nbsp;</p>
 <div id="contents"> 
  <div class="english">
-  <p>{{ article.name }}<br /><br />
+  <p>{{ article.name }} (<a target="_blank" href="/edit/print_article/?id={{article.id}}" title="Download PDF">get pdf</a>)<br /><br />
   {% for a_b in articles_before %}
     <a href="../../{{a_b.product.id}}/{{a_b.order}}/">{{a_b.order}}</a>. {{a_b.name}}<br />
   {% endfor %}