Adding the tooltip if the verification email was rate limited.

close #685

resources/static/dialog/views/authenticate.ejs

@@ -13,6 +13,10 @@
               <div id="email_required" class="tooltip" for="email">
                 The email field is required.
               </div>
+
+              <div id="could_not_add" class="tooltip" for="email">
+                We just sent an email to that address!  If you really want to send another, wait a minute or two and try again.
+              </div>
           </li>
 
           <li id="hint_section" class="start">
@@ -40,7 +44,7 @@
                 The account cannot be logged in with this username and password.
               </div>
           </li>
-      
+
       </ul>
 
       <div class="submit cf">