* merged from the debian/sid branch: - debian/gbp.conf: change build branch to ubuntu/master - use ubuntu keyring and ubuntu archive keyring in apt-key - run update-apt-xapian-index in apt.cron - run apt-key net-update in cron.daily - different example sources.list - APT::pkgPackageManager::MaxLoopCount set to 5000 - apport pkgfailure handling - ubuntu changelog download handling - patch for apt cross-building, see http://bugs.debian.org/666772 - debian/apt.auto-removal.sh + make kernels auto-removable