- using QSet to validate unique QMap values for performance
- using QSet to validate unique QMap values for performance

svn path=/trunk/KDE/kdepim/; revision=716435

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