Changes since DRUPAL-6--1-7:
- #803422 by azovsky, sudhirporwal, hunmonk: use uid from form instead of arg to determine uid.
- #924788 by hunmonk: Remove 30 char limit for password.
- #838826 by sudhirporwal, hunmonk: ereg deprecated in PHP 5.3, remove from password checking function.
- #978610 by daniels, hunmonk: Password field description on user_register form is not correctly modified causing duplicated FAPI element.
- add ID tags to css files.
- fix help text for password, there is no more max password length. clean up doxygen for email validate function.
- #1009166 by dsnopek: _logintoboggan_process_validation should also invoke after_update hook.