update copyright notice / whitespace
4654. [cleanup] Don't use C++ keywords delete, new and namespace. [RT #45538] (cherry picked from commit 4bf32aa58774452b05433716f8fa298257dd7fda)
4401. [misc] Change LICENSE to MPL 2.0.
update copyright notice
set $Id$
3235. [func] dns_db_diffx, a extended dns_db_diff which returns the generated diff and optionally writes it to a journal. [RT #26386]