[grub2] (8 commits) ...Rebase to grub-2.00 release.

[Peter Jones]

Summary of changes:

  fe507e9... Revert "Handle ppc nvram stuff in anaconda instead of here. (*)
  ad98057... More ppc fixes. (*)
  9a9b1f3... Comment out the most recent patch so we'll have a build wit (*)
  c4a749d... Build with patch19 applied. (*)
  8205bed... Fix double-free in grub-probe. (*)
  3734d8a... update to grub 2.0 rc1
  4ce656b... Update to 2.00 release.
  a37bbab... Rebase to grub-2.00 release.

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