Merge pull request poole#242 from poole/related-post-size

Add size check for related posts

Author: mdo

_layouts/post.html

@@ -8,8 +8,9 @@ <h1 class="post-title">{{ page.title }}</h1>
   {{ content }}
 </div>
 
+{% if site.related_posts.size >= 1 %}
 <div class="related">
-  <h2>Related Posts</h2>
+  <h2>Related posts</h2>
   <ul class="related-posts">
     {% for post in site.related_posts limit:3 %}
       <li>
@@ -23,3 +24,4 @@ <h3>
     {% endfor %}
   </ul>
 </div>
+{% endif %}