Add atom and jsonfeed icons to /blog

Pages/blog/Blog.cshtml

@@ -21,3 +21,14 @@
 		</li>
 	}
 </ul>
+
+@section postfooter {
+	<div>
+		<a href="/blog/feed.json" target="_blank" class="imagelink">
+			<img src="/files/jsonfeed.png" height="31px" alt="JSONFeed"/>
+		</a>
+		<a href="/blog/feed.atom" target="_blank" class="imagelink">
+			<img src="/files/valid-atom.png" alt="[Valid Atom 1.0]"/>
+		</a>
+	</div>
+}

wwwroot/css/site.css

@@ -347,6 +347,13 @@ header h1 a {
 	text-decoration: none;
 }
 
+.imagelink {
+	text-decoration: none;
+	display: inline-block;
+	line-height: 0;
+	padding: 5px 5px 5px 5px;
+}
+
 /* Scrollbar colors */
 /* Works on Firefox */
 * {