Update to Initial Skeleton for Jekyll

Update a bunch of files to get ready for Jekyll.

sitemap.xml

@@ -0,0 +1,23 @@
+---
+layout: nil
+---
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+    <url>
+        <loc>{{ site.url }}</loc>
+    </url>
+    
+    {% for post in site.posts %}
+    <url>
+        <loc>{{ site.url }}{{ post.url }}</loc>
+        <lastmod>{% if post.modified %}{{ post.modified | to_xmlschema }}{% else %}{{ post.date | to_xmlschema }}{% endif %}</lastmod>       
+    </url>
+    {% endfor %}
+    
+    {% for page in site.pages %}
+    <url>
+        <loc>{{ site.url }}{{ page.url }}</loc>
+        <lastmod>{{ site.time | to_xmlschema }}</lastmod>
+    </url>
+    {% endfor %}
+</urlset>