Fix the URL in the success template.

templates/success.html

@@ -6,7 +6,7 @@
   <body>
     <h1>It works!</h1>
     <p>
-    Please refer to the <a href="https://github.com/etesync/server-skeleton/">README</a> to complete the final steps if you haven't done so already.
+    Please refer to the <a href="https://github.com/etesync/server/">README</a> to complete the final steps if you haven't done so already.
     </p>
   </body>
 </html>