Update Disqus installation code.

_layouts/post.html

@@ -30,10 +30,27 @@ <h2 class="subheading">{{ page.subtitle }}</h2>
                 <hr>
 
                 <div id="disqus_thread"></div>
-                <script type="text/javascript" src="http://disqus.com/forums/nirvdrum/embed.js"></script><noscript><a
-                        href="http://nirvdrum.disqus.com/?url=ref">View the discussion thread.</a></noscript><a
-                    href="http://disqus.com" class="dsq-brlink">blog comments powered by <span
-                        class="logo-disqus">Disqus</span></a>
+                <script>
+
+                    /**
+                    *  RECOMMENDED CONFIGURATION VARIABLES: EDIT AND UNCOMMENT THE SECTION BELOW TO INSERT DYNAMIC VALUES FROM YOUR PLATFORM OR CMS.
+                    *  LEARN WHY DEFINING THESE VARIABLES IS IMPORTANT: https://disqus.com/admin/universalcode/#configuration-variables*/
+                    /*
+                    var disqus_config = function () {
+                    this.page.url = PAGE_URL;  // Replace PAGE_URL with your page's canonical URL variable
+                    this.page.identifier = PAGE_IDENTIFIER; // Replace PAGE_IDENTIFIER with your page's unique identifier variable
+                    };
+                    */
+                    (function () { // DON'T EDIT BELOW THIS LINE
+                        var d = document, s = d.createElement('script');
+                        s.src = 'https://nirvdrum.disqus.com/embed.js';
+                        s.setAttribute('data-timestamp', +new Date());
+                        (d.head || d.body).appendChild(s);
+                    })();
+                </script>
+                <noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript">comments
+                        powered by Disqus.</a></noscript>
+
                 <script defer src="https://nirvdrum-commento.herokuapp.com/js/commento.js"></script>
                 <div id="commento"></div>