fix(disqus): replace js comments - "//" to "/* */"

js comments were invalidating following lines after html compression

Author: Pablo Vieira

_includes/comments.html

@@ -1,23 +1,18 @@
 <div id="comments">
-  <h1 class="post-content">Leave a comment</h1>
+  <h3 class="post-content">Leave a comment</h3>
 
   <div id="disqus_thread"></div>
   <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.title = "{{ page.title }}";
-        this.page.url = "{{ site.url }}{{ page.url }}";
-        this.page.identifier = "{{ page.id }}";
+          this.page.title = "{{ page.title }}";
+          this.page.url = "{{ site.url }}{{ page.url }}";
+          this.page.identifier = "{{ page.id }}";
       };
 
-      (function() {  // DON'T EDIT BELOW THIS LINE
+      (function() {  /* DON'T EDIT BELOW THIS LINE */
           var d = document, s = d.createElement('script');
 
-          s.src = '//{{ site.disqus_shortname }}.disqus.com/embed.js';
+          s.src = 'https://{{ site.disqus_shortname }}.disqus.com/embed.js';
 
           s.setAttribute('data-timestamp', +new Date());
           (d.head || d.body).appendChild(s);