Merge pull request mmistakes#107 from brainstorm/master

Solves issue mmistakes#94 with disqus comments being enabled by default globally

_includes/scripts.html

@@ -58,6 +58,6 @@
 </script>
 {% endif %}
 
-{% if page.comments %}
+{% if page.comments or site.comments %}
   {% include disqus_comments.html %}
 {% endif %}

_layouts/post.html

@@ -35,13 +35,13 @@ <h1 class="entry-title">{% if page.headline %}{{ page.headline }}{% else %}{{ pa
         <span class="author vcard">By <span class="fn">{{ author.name }}</span></span>
         <span class="entry-date date published"><time datetime="{{ page.date | date_to_xmlschema }}"><i class="fa fa-calendar-o"></i> {{ page.date | date: "%B %d, %Y" }}</time></span>
         {% if page.modified %}<span class="entry-date date modified"><time datetime="{{ page.modified }}"><i class="fa fa-pencil"></i> {{ page.modified | date: "%B %d, %Y" }}</time></span>{% endif %}
-        {% if site.owner.disqus-shortname and page.comments == true %}<span class="entry-comments"><i class="fa fa-comment-o"></i> <a href="#disqus_thread">Comment</a></span>{% endif %}
+        {% if (site.owner.disqus-shortname and page.comments) or site.comments %}<span class="entry-comments"><i class="fa fa-comment-o"></i> <a href="#disqus_thread">Comment</a></span>{% endif %}
         {% if page.share %}{% include social-share.html %}{% endif %}
         {% if page.ads == true %}{% include ad-sidebar.html %}<!-- /.google-ads -->{% endif %}
       </footer>
       <div class="entry-content">
         {{ content }}
-        {% if site.owner.disqus-shortname and page.comments == true %}<div id="disqus_thread"></div><!-- /#disqus_thread -->{% endif %}
+        {% if (site.owner.disqus-shortname and page.comments) or site.comments %}<div id="disqus_thread"></div><!-- /#disqus_thread -->{% endif %}
       </div><!-- /.entry-content -->
     </div><!-- /.entry-wrapper -->
     <nav class="pagination" role="navigation">