bug #34861 remove of all cateories of an event/todo
bug #34861 remove of all cateories of an event/todo

svn path=/trunk/kdepim/; revision=148107

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi