Cleaned out public from repository, updated gitignore, added syntax

highlighting tests, improved syntax highlighting and styling of pre
blocks.
Overriding dynamic gist styling.
Added a plugin for pygments caching which should speed things up
terrifically.
added ender.js as a lightweight way of scripting the DOM, events, etc.
Some general typography and semantic html improvements.

source/_layouts/archive_monthly.html

@@ -0,0 +1,19 @@
+---
+layout: default
+---
+<div id="content">
+  <div class="post">
+    <h1 class="post-title">{{ page.month | date_to_month }} {{ page.year }}</h1>
+    <p class="lead">Posts from {{ page.month | date_to_month }}, {{ page.year }}</p>
+    <ul>
+      {% for d in (1..31) reversed %}
+      {% if page.collated_posts[page.year][page.month][d] %}
+      {% for p in page.collated_posts[page.year][page.month][d] reversed %}
+      <li><a href='{{ p.url }}'>{{ p.title }}</a></li>
+      {% endfor %}
+      {% endif %}
+      {% endfor %}
+    </ul>
+  </div>
+</div>
+