rewrite fll_crypt_device to protect pairs well
fix test for when to use uuid for cryptsource
* update add_bootmanager to use fll_disk_device to map drives
* rewrite add_bootmanager usb test to check no mapped drives is not usb
get_usbefi using fll_disk_usb to walk out
* install_grub accepts a list in BOOT_WHERE
* install_grub rewrite usb test for portable
* fix isusb return
drop spurious TEST output and fix update_fstab list of calls