Extends Octopress by taking post variables over site defaults.

author.html

{% if post.author %}
  {% assign author = post.author %}
{% elsif page.author %}
  {% assign author = page.author %}
{% else %}
  {% assign author = site.author %}
{% endif %}
 
{% capture googleplus_user %}{% if site.googleplus_user %}{{ site.googleplus_user }}{% endif %}{% endcapture %}
 
<div class="postedby">
  <h4><i class='icon-user'></i> Author:</h4> 
  <p class="author-name">
		{% if post.author_site %}
		<a href="{{post.author_site}}">{{ author }}</a>
		{% else %}
		<a href="https://plus.google.com/{{ googleplus_user }}?rel=author">{{ author }}</a>
		{% endif %}
	</p>
</div>