4401. [misc] Change LICENSE to MPL 2.0.
perform a more complete cleanup after running system tests [rt41255]
update copyright notice / whitespace
4032. [bug] Built-in "empty" zones did not correctly inherit the "allow-transfer" ACL from the options or view. [RT #38310]
Make named a singleton process [RT#37908] Conflicts: bin/tests/system/conf.sh.in lib/dns/win32/libdns.def.in lib/isc/win32/file.c The merge also needed to update files in legacy and tcp system tests (newly introduced in master after branch was created) to introduce use of lockfile.
update copyright notice
3710. [bug] Address double dns_zone_detach when switching to using automatic empty zones from regular zones. [RT #35177]