add blog index/link; paginate index page

blog/index.html

@@ -0,0 +1,18 @@
+---
+title: Blog Summary
+layout: default
+---
+
+{% for post in site.posts %}
+    <section>
+        <header>
+            <div class="timeline">
+                <time datetime="{{ post.date|date_to_xmlschema }}"><strong>{{ post.date|date:"%b %d"|upcase }}</strong><br />{{ post.date|date:"%Y" }}</time>
+            </div>
+            <h2><a href="{{ post.url }}">{{ post.title }}</a></h2>
+            {% if post.description %}
+                <div class="meta" style="margin-bottom:0;margin-top:0;">{{ post.description }}</div>
+            {% endif %}
+        </header>
+    </section>
+{% endfor %}