WB 2.08.x

1. bugfix missing trailing backtick in output_filter/input.php
2. bugfix wrong backticks in 'admin/media/upload.php
3. bugfix add missing language variable in account
   ! update form module, add class frm-fieldset to fieldset, restyle error box
   ! update captcha iframe attribute settings

1. bugfix preferences timezone, date_format, time_format settings, backend and frontend

! change mysql_esc_string to WbDatabase::getInstance()->escapeStrinng()

1. typofix page_extended in admin/settings and admin/pages/
   ! Fill empty option modules dropdown in admin/pages/sections.php

1. bugfix redclare function in preferences_form
   ! add infobox, if you have to change the language before working in preferences

1. fixed Use of undefined constant PAGE_ID in /account/forgot.php
   ! change return value to boolean in user management delete.php, add.php
   ! change WEBSITE_SIGNATURE to WBMAIL_SIGNATURE

1. fixed output activation conformation
2. fixed deleting Users awaiting activation
   ! add YYYY-MM-DD in date_formats dropdown

1. security fix CRLF injection/HTTP response splitting

! account signup check that display_name is unique in whole system
(prevents from User-faking)
! add POST Request to admintools

1. add missing lang var in account/languages/EN.PHP