Security update

Updated release to utilize Textile 2.0 from threshold state as per:

http://drupal.org/node/89962

This importantly fixes Apache segmentation fault errors which were appearing as per this issue:

http://drupal.org/node/143730

The sliced navigation level are no more called book_level_x in the admin>blocks section, but "book name"_level_x.
The module now need a table in the database, so it probably need a new installation of the module.
It is now possible to add a subclass to each elements of the navigation levels. While editing a book page, a sliced book menu allow to add a specific class to the menu item. So, theming navigation level will become quite easy, and each items can now be customized.

This release was triggered by the following security issue:
- http://drupal.org/node/154391

The release adds the following features:
- Added simple news integration.
And the following bug fixes:
- Fixing redirection after sending a message.
- Fixing a minor problem with e-mail subject for messages.
- Fixing cron SQL query.
- Fixing redirection after removing attendees.

Increased the length of the url field from 125 to 250
Improved ATOM 1.0 parsing

Increased the length of the url field from 125 to 250
Improved ATOM 1.0 parsing
Added taxonomy as a module dependency

Latest version with thanks to jrbeeman and vinigar5 for the contributions.

• New settings for more granular control of messages and redirects
• Fixed vulnerability when access to user/login page was not restricted by cas
• Added support for Login and Logout hooks for use with other modules
• Fixed bug related to - http://drupal.org/node/138633