Bug fixes

Small fixes to private_upload_form_validate:
Removed "Hi Tao" message;
Moved db weight correction here from _admin (and corrected math);
Wrapped messages in t();

See http://drupal.org/drupal-6.0-rc1 for more information.

The only user-visible change in this version is that when a user clicks 'logout' their PL cookie is deleted.

The only user-visible change in this version is that when a user clicks 'logout' their PL cookie is deleted.

BUG #196323: Removed slideDown/Up in IE JS to improve performance.
BUG #200990: Changed iFrame dimensions to get rid of blank box in certain setups.
TASK: Adding newlines to lists so the view source isn't a nightmare of one long string.

Fixed warning by breaking out pu_requirements and _pu_requirements.
Make sure module runs after upload module by bumping weight. Hopefully will address http://drupal.org/node/200537 (thanks schultkl)
http://drupal.org/node/202235: schultkl's Fix for migrating private files if same file attached to multiple roles.