Add x86 UEFI support, merging some code from Ubuntu to help
    + Add extra recipe method "reusemethod" to help us reuse existing EFI
      system partitions
    + Clone the ia64 recipes for {amd64,i386}-efi and tweak. Merge
      across some of the Ubuntu settings for these new recipes, including
      use of reusemethod.
    + Make the EFI system partition large by default to meet fat32
      recommendations

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#	modified:   debian/changelog
#	modified:   lib/recipes.sh
#	modified:   perform_recipe
#	new file:   recipes-amd64-efi/_numbers
#	new file:   recipes-amd64-efi/atomic
#	new file:   recipes-amd64-efi/home
#	new file:   recipes-amd64-efi/multi
#	new file:   recipes-i386-efi
#	modified:   recipes/atomic
#	modified:   recipes/home
#	modified:   recipes/multi
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#	debian/files
#	debian/partman-auto.debhelper.log
#	debian/partman-auto.postrm.debhelper
#	debian/partman-auto.substvars
#	debian/partman-auto/
