rem: static QString folderContentsType( int type )
add: static QString folderContentsType( KMail::FolderContentsType type )
context: static QString folderContentsType( int type ){  switch( type ) {  case 1: return "Calendar";  case 2: return "Contact";  case 3: return "Note";  case 4: return "Task";  case 5: return "Journal";  default: return "Mail";  }}