update identity combobox
update identity combobox

svn path=/branches/work/akonadi-ports/kdepim/; revision=1035157

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