Added commas to authors role list

boards/templates/boards/authors.html

@@ -18,6 +18,7 b''
                 {% endfor %} -
                 {% for role in values.roles %}
                     <span class="role">{% trans role %}</span>
+                    {% if not forloop.last %}, {% endif %}
                 {% endfor %}
             </p>
         {% endfor %}
@@ -28,4 +29,4 b''
         <p><a href="https://bitbucket.org/neko259/neboard">
             {% trans "Repository" %}</a></p>
     </div>
-{% endblock %}
  No newline at end of file
+{% endblock %}