* merged with ubuntu, only use the pkgCache::Flag::Auto flag for automatically instal...

Patches applied:

 * apt@packages.debian.org/apt--main--0--patch-98
   Install only one keyring on each branch (Closes: #316119)

 * apt@packages.debian.org/apt--main--0--patch-99
   Finalize 0.6.39

 * apt@packages.debian.org/apt--ubuntu--0--patch-7
   Merge with mainline

 * apt@packages.debian.org/apt--ubuntu--0--patch-8
   install only the ubuntu keyring

 * apt@packages.debian.org/apt--ubuntu--0--patch-9
   Finalize 0.6.39

 * apt@packages.debian.org/apt--ubuntu--0--patch-10
   Merge with mainline

 * apt@packages.debian.org/apt--ubuntu--0--patch-11
   Update configure.in