[livecd-tools] (9 commits) ...Merge branch 'f18'

[Bruno Wolff III]

Summary of changes:

  fa755ce... - Version 18.9 (bcl) - fix extra-kernel-args (#853570) (bcl (*)
  d6b0a30... - Version 18.10 (bcl) - use cp -r instead of -a (bcl) (*)
  9c12726... efi_requires.patch: don't force grub2-efi and shim into the (*)
  4ed7e7f... - Version 18.11 (bcl) - not copying UEFI files shouldn't be (*)
  1b72b5a... - Version 18.12 (bcl) - Remove grub 0.97 splash (bcl) (*)
  55bf2a2... - Require hfsplus-tools so that images will boot on Mac (*)
  f614848... - Version 18.13 (bcl) - silence the selinux umount error (b (*)
  5492c47... - Version 18.14 (bcl) - add --verifyudev to dmsetup (#88538 (*)
  542067c... Merge branch 'f18'

(*) This commit already existed in another branch; no separate mail sent