Merge remote-tracking branch 'ansgar/package-set' into merge

* ansgar/package-set:
  process-new: allow overrides to work for Package-Set
  Make use of Package-Set in determine_new
  queue.Upload: separate code to load .dsc from check_dsc
  utils.py: Add parser for Package-Set field in .dsc
  process-upload: Dinstall::LintianTags may not be set

Signed-off-by: Joerg Jaspert <joerg@debian.org>

diff --cc daklib/queue.py
Simple merge