4401. [misc] Change LICENSE to MPL 2.0.
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 copyrights
[master] [rt37057] server-id tests 3944. [test] Added a regression test for "server-id". [RT #37057]