* detailed error checking of variables timezone and keymap
* redirect output of configuration checking to /dev/null
* remove static ethernet option to simplify ari.conf
* make the packages variable an actual array
* rename mirrorlist variable to mirror
* simplify mirror configuration, adding "Server =" is not needed anymore
* replace "genfstab -L" with "genfstab -U -p" to use UUIDs
* make sure that locale.gen contains a valid entry by adding en_US.UTF-8
* remove f2fs,minix,ntfs,vfat from the list of allowed filesystems
* indicate allowed filesystems in ari.conf