Clean up directory structure of partials and .Render templates

layouts/authors/list.html

@@ -7,7 +7,7 @@
     <div class="page-list">
         <ul>
             {{ range .Paginator.Pages }}
-                <li>{{ .Render "author-summary" }}</li>
+                <li>{{ .Render "summary/author" }}</li>
             {{ end }}
         </ul>
     </div>