add piv6 to websites-template

                    {tmpl_var name='ip_address'}

                </select></div>

            </div>

            <div class="form-group" style="display:none">

            <div class="form-group">

                <label for="ipv6_address" class="col-sm-3 control-label">{tmpl_var name='ipv6_address_txt'}</label>

                <div class="col-sm-9"><select name="ipv6_address" id="ipv6_address" class="form-control">

                    {tmpl_var name='ipv6_address'}