Fix auto-disable button on form submit, per Chrome issues

dang it chrome, why you gotta be like that

tailbone/templates/master/clone.mako

@@ -14,11 +14,11 @@
 <p>Are you sure about this?</p>
 <br />
 
-${h.form(request.current_route_url())}
+${h.form(request.current_route_url(), class_='autodisable')}
 ${h.csrf_token(request)}
 ${h.hidden('clone', value='clone')}
   <div class="buttons">
     ${h.link_to("Whoops, nevermind...", form.cancel_url, class_='button autodisable')}
-    ${h.submit('submit', "Yes, please clone away", class_='autodisable')}
+    ${h.submit('submit', "Yes, please clone away")}
   </div>
 ${h.end_form()}