feat(authors): add support for avatar

fix #362

static/css/elegant.css

@@ -647,11 +647,17 @@ div.figure.align-left,
 }
 /* Author blurb */
 .author_blurb {
-  font-variant: small-caps;
   font-style: italic;
+  padding: 5px 0;
+}
+.author_blurb img {
+  padding: 0;
+  width: 32px;
+  height: 32px;
 }
 .author_name {
   font-weight: bold;
+  font-variant: small-caps;
 }
 /* Github Gist */
 .gist table {

templates/_includes/article_author.html

@@ -1,11 +1,26 @@
 {% macro article_author(article) %}
-<div>
+{% set tag = namespace({'open' : true, 'close': false}) %}
+{% for author in article.authors %}
+{% if author|string in AUTHORS %}
+{% if tag.open %}
+<section>
     <hr />
-    {% for author in article.authors %}
-        {% if author|string in AUTHORS %}
-            <span class="author_blurb"><a href="{{ AUTHORS.get(author|string).url }}"><span class="author_name">{{ author }}</span></a> -
-                {{ AUTHORS.get(author|string).blurb }}</span><br />
-        {% endif %}
+    {% set tag.open = false %}
+    {% set tag.close = true %}
+    {% endif %}
+    {% set auth = AUTHORS.get(author|string) %}
+    <div class="author_blurb">
+        <a href="{{ auth.url }}">
+            {% if AUTHORS.get(author|string).avatar %}
+            <img src={{auth.avatar}} alt="{{author}} Avatar" title={{author}}>
+            {% endif %}
+            <span class="author_name">{{ author }}</span>
+        </a>
+        {{ auth.blurb }}
+    </div>
+    {% endif %}
     {% endfor %}
-</div>
+    {% if tag.close %}
+</section>
+{% endif %}
 {% endmacro %}