Backport performance improvements by Volker (r1186546)
Backport performance improvements by Volker (r1186546)

svn path=/branches/KDE/4.5/kdepim/; revision=1186738

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