* if 'grml2usb grml64.iso grml.iso' is invoked there are two identically named boot entries (both "grml")
* support installation of new ISO[s] additionally to already existing grml ISOs on the usb device
-> add "old"/already existing images automatically to bootloader configuration [thx gebi]
* if 'grml2usb grml64.iso grml.iso' is invoked there are two identically named boot entries (both "grml")
* support installation of new ISO[s] additionally to already existing grml ISOs on the usb device
-> add "old"/already existing images automatically to bootloader configuration [thx gebi]