update /user/storage.html template to use build-thumbnail filter.

I, also, removed code made redundant by build-thumbnail filter.

templates/user/storage.html

@@ -26,10 +26,9 @@
 {% for item in files %}
 <div>
     <p>
-      <!-- Change to image (include at least) when feature ready. -->
-      <a href="/storage/view/{{item.slug}}">
-	<img src="/storage/media/{{item.slug}}"></a>
-	<a href="/storage/media/{{item.slug}}">{{item.name}}</a>
+	<a href="/storage/view/{{item.slug}}">
+	    <img src="{{ item | build-thumbnail-path }}" alt="{{item.name}}">
+	</a>
 	{% if roles.administrator %}
 	<form action="/storage/rename/{{item.slug}}" method="POST">
 	    <input required type="hidden" name="AUTHENTICITY-TOKEN" value="{{token}}">
@@ -37,8 +36,8 @@
 	    <input type="submit" value="Rename"/>
 	</form>
 	<form action="/storage/delete/{{item.slug}}" method="POST">
-	<input required type="hidden" name="AUTHENTICITY-TOKEN" value="{{token}}">
-	<input type="submit" value="Delete"/>
+	    <input required type="hidden" name="AUTHENTICITY-TOKEN" value="{{token}}">
+	    <input type="submit" value="Delete"/>
 	</form>
 	{% endif %}
     </p>