WABA: Make KMail a KUniqueApplication.
WABA: Make KMail a KUniqueApplication.

svn path=/trunk/kdenetwork/kmail/; revision=56748

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