remove "Add..." button, set folder icons for folders
remove "Add..." button, set folder icons for folders

svn path=/trunk/KDE/kdepim/kleopatra/; revision=801098

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