start work on byline

_includes/byline.html

@@ -0,0 +1,11 @@
+
+{% if page.layout == "post" or page.layout == "blog" or page.layout == "page" %}
+<!--
+	<div class="byline">
+		<span class="author">{{ site.author.short_name }}</span>
+		<span class="date">{{ page.date | date: "%a, %-d %b, %Y" }}</span>
+	</div>
+-->
+{% else %}
+	<!-- this page type has no byline -->
+{% endif %}