Change the developers link to point to MDN

issue #1397

resources/views/layout.ejs

@@ -28,7 +28,7 @@
 
         <ul class="nav cf">
             <li><a href="/about"><%= gettext("How it works") %></a></li>
-            <li><a href="https://github.com/mozilla/browserid/wiki/How-to-Use-BrowserID-on-Your-Site" target="_blank"><%= gettext("Developers") %></a></li>
+            <li><a href="https://developer.mozilla.org/en/BrowserID/Quick_Setup" target="_blank"><%= gettext("Developers") %></a></li>
 
             <li class="signIn"><a class="signIn" href="/signin"><%= gettext("Sign In") %></a></li>
             <li class="signOut"><a class="signOut" href="/"><%= gettext("Sign Out") %></a></li>