mod_http_oauth2: Reflect changes to defaults etc - Resource owner password grant was disabled by default - Tokens now include a hash of client_id making it possible to be reasonable sure that they were issued to a particular client

<tr>
  <td colspan="2">
    <script src="https://hcaptcha.com/1/api.js" async defer></script>
    <div class="h-captcha" data-sitekey="{captcha_public_key}"></div>
  </td>
</tr>