application.html.erb in rack-tracker-1.3.1

- old
+ new

@@ -1,8 +1,8 @@
 <html>
   <head>
     <title>Metal Layout</title>
   </head>
-  <body>
+  <body class="do-we-support-attributes-on-the-body-tag">
     <%= yield %>
   </body>
 </html>