Port interface extensions from enterprise branch.
Port interface extensions from enterprise branch.

svn path=/branches/KDE/3.5/kdepim/; revision=766312

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