init-install-efi.sh: Copy existing files from USB /boot into boot partition.

Copy any files that exist in the USB rootfs "/boot" directory into the newly
created boot partition.  This requires increasing the size to 250MB.

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
init-install.sh: Copy existing files from USB /boot into boot partition.

Copy any files that exist in the USB rootfs "/boot" directory into the newly
created boot partition.  This requires increasing the size to 250MB.

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
init-install.sh: Don't set "quiet" kernel option in installed grub

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
init-install-efi.sh: Don't set "quiet" kernel option in installed grub

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
init-install.sh: Add a second prompt to install

This also makes it clear that the user will be overwriting
the entire disk.

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
init-install-efi.sh: Add a second prompt to install

This also makes it clear that the user will be overwriting
the entire disk.

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
init-install-efi.sh: Switch to using UUIDs

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
init-install.sh: Switch to using UUIDs

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>