Resync with Michael

Patches applied:

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-116
   * changelog updates

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-117
   * merged with bubulle

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-118
   * merged from bubulle

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-119
   * fix http data corruption (#280844)

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-120
   * added debian-archive-keyring to recommends

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-121
   * merged with bubulle

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-122
   * fix apt-key to ask for the correct package

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-123
   * fix typo in apt-cache.8 manpage

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-124
   * fixed another typo in doc/apt-secure.8.xml

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-125
   * merged the debian-sid changes back

 * michael.vogt@ubuntu.com--2005/apt--mvo--0--patch-126
   * fixed the changelog yet again

 * mvo@debian.org--2005/apt--debian-experimental--0--patch-12
   * added http data corruption fix patch (#280844)

 * mvo@debian.org--2005/apt--debian-sid--0--patch-17
   * merged with apt--mvo--0

 * mvo@debian.org--2005/apt--debian-sid--0--patch-18
   * merged with apt--mvo