fa969504d4
* remove assignments (issues are set to 'no category') * reassign issues to another category (if at least an other category exists) If no issue is assigned to the category, it's deleted silently. git-svn-id: http://redmine.rubyforge.org/svn/trunk@733 e93f8b46-1217-0410-a6f0-8f06a7374b81