load disqus over same schema as hosting page

- support for https hosting

dpl-docs/views/inc.disqus.dt

@@ -8,8 +8,8 @@ script(language="javascript").
     /* * * DON'T EDIT BELOW THIS LINE * * */
     (function() {
         var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
-        dsq.src = 'http://' + disqus_shortname + '.disqus.com/embed.js';
+        dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
     (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
     })();
 noscript Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a>
-a#dsq-brlink(href="http://disqus.com") comments powered by <span class="logo-disqus">Disqus</span>
+a#dsq-brlink(href="http://disqus.com") comments powered by <span class="logo-disqus">Disqus</span>