Added themes directory, improved javascript load and minification.

themes/classic/source/_includes/asides/recent_posts.html

@@ -0,0 +1,12 @@
+{% if page.single and site.recent_posts %}
+<section>
+  <h1>Recent Posts</h1>
+  <ul id="recent_posts">
+    {% for post in site.posts limit: site.recent_posts %}
+      <li class="post">
+        <a href="{{ post.url }}">{{ post.title }}</a>
+      </li>
+    {% endfor %}
+  </ul>
+  </section>
+{% endif %}