Add "Other News" section for News sidebar on site

site/_includes/news_contents.html

@@ -10,7 +10,7 @@
     </ul>
     <h4>Recent Releases</h4>
     <ul>
-      {% for post in site.posts limit:5 %}
+      {% for post in site.categories.release limit:5 %}
       <li class="{% if page.title == post.title %}current{% endif %}">
         <a href="{{ post.url }}">Version {{ post.version }}</a>
       </li>
@@ -19,5 +19,15 @@
         <a href="/docs/history/">History »</a>
       </li>
     </ul>
+    <h4>Other News</h4>
+    <ul>
+        {% for post in site.posts %}
+        {% unless post.categories contains 'release' %}
+        <li class="{% if page.title == post.title %}current{% endif %}">
+          <a href="{{ post.url }}">{{ post.title }}</a>
+        </li>
+        {% endunless %}
+        {% endfor %}
+    </ul>
   </aside>
 </div>