Merge commit 'lamby/master' into merge

* commit 'lamby/master':
  Remove duplicate return statement.
  Add missing Config initialiser.
  Fix do_anaias in cruft-report.
  Add missing import in contents
  Add missing configuration initialiser.
  Fix check_indices_files_exist in check-archive.
  Fix local variable in check-archive/check_override
  Fix check_override in check-archive.
  Don't shadow built-in 'file'
  Consistently use 4-spaces in add_user.py
  Don't mix tabs and spaces in add_user.py

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