Merge pull request #1 from everyx/master

fix disqus comment disappear

layout/_partial/after-footer.ejs

@@ -2,9 +2,6 @@
 <% if (config.disqus_shortname){ %>
 <script>
   var disqus_shortname = '<%= config.disqus_shortname %>';
-  <% if (page.permalink){ %>
-  var disqus_url = '<%= page.permalink %>';
-  <% } %>
   (function(){
     var dsq = document.createElement('script');
     dsq.type = 'text/javascript';