Stefan's filter patch to pipe messages to programs.
Stefan's filter patch to pipe messages to programs.

svn path=/trunk/kdenetwork/kmail/; revision=49854

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