Display FQN on user profiles

Fix #130

templates/blogs/details.html.tera

@@ -10,7 +10,7 @@
 {% endblock header %}
 
 {% block content %}
-    <h1>{{ blog.title }} <small>~{{ blog.actor_id }}</small></h1>
+    <h1>{{ blog.title }} <small>~{{ blog.fqn }}</small></h1>
     <p>{{ blog.summary }}</p>
     <p>
         {{ "{{ count }} authors in this blog: " | _n(singular="One author in this blog: ", count = n_authors) }}

templates/users/header.html.tera

@@ -1,6 +1,9 @@
 <div class="user">
     <h1>
         {{ user.name }}
+
+        <small>@{{ user.fqn }}</small>
+
         {% if user.is_admin %}
             <span class="badge">{{ "Admin" | _ }}</span>
         {% endif %}