Fix bug Disqus comment count is always 0

Close #4

templates/comments.html

@@ -7,11 +7,11 @@
 <div class="accordion" id="accordion2">
     <div class="accordion-group">
         <div class="accordion-heading">
-            <a class="accordion-toggle disqus-comment-count" data-toggle="collapse" data-parent="#accordion2" 
+            <a class="accordion-toggle disqus-comment-count" data-toggle="collapse" data-parent="#accordion2"
                 {% if article.disqus_identifier %}
                     data-disqus-identifier="{{ article.disqus_identifier }}"
                 {% endif %}
-                href="{{ SITEURL }}/{{ article.url }}/#disqus_thread">
+                href="{{ SITEURL }}/{{ article.url }}#disqus_thread">
                 Comments
             </a>
         </div>