Release Name: 0.6.4

Notes:
Bug fix release


Changes:
* Fixed: private projects name are displayed on account/show even if the current user doesn't have access to these private projects
* Fixed: potential LDAP authentication security flaw
* Fixed: context submenus on the issue list don't show up with IE6.
* Fixed: Themes are not applied with Rails 2.0
* Fixed: crash when fetching Mercurial changesets if changeset[:files] is nil
* Fixed: Mercurial repository browsing
* Fixed: undefined local variable or method 'log' in CvsAdapter when a cvs command fails
* Fixed: not null constraints not removed with Postgresql
* Doctype set to transitional