change column header text
change column header text

svn path=/branches/kdepim/proko2/kdepim/; revision=692784

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