update index.html to reflect RFC approval (finally)

Author: jrconlin

js/index.html

@@ -24,7 +24,7 @@ <h1>VAPID verification</h1>
 <div id="inputs" class="section">
     <div id="version">
         <label for="version"><input type="radio" name="version" value="1" checked>VAPID Draft spec-01</label>
-        <label for="version"><input type="radio" name="version" value="2">VAPID Draft spec-02</label>
+        <label for="version"><input type="radio" name="version" value="2">VAPID RFC</label>
     </div>
     <a name="headers"><h2>Headers</h2></a>
     <p>The headers are sent with subscription updates. They provide the