Add icon to link post heading in indexes

_layouts/post-index.html

@@ -48,9 +48,7 @@
     {% endunless %}
     <article>
       {% if post.link %}
-        <h4><a href="{{ post.link }}" target="_blank" title="{{ post.title }}">{{ post.title }}</a></h4>
-        <p><a href="{{ site.url }}{{ post.url }}" title="{{ post.title }}">{{ post.date | date: "%B %d %H:%M %Z"}}</p>
-        <p>{{ post.content }}</p>
+        <h2><a href="{{ post.link }}" target="_blank" title="{{ post.title }}">{{ post.title }} <i class="icon-link"></i></a></h2>
       {% else %}
         <h2><a href="{{ site.url }}{{ post.url }}" title="{{ post.title }}">{{ post.title }}</a></h2>
         <p>{% if post.description %}{{ post.description }}{% else %}{{ post.content | strip_html | strip_newlines | truncate: 120 }}{% endif %}</p>