4401. [misc] Change LICENSE to MPL 2.0.
update copyrights
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
reverse bad copyright update
2250. [func] New flag 'memstatistics' to state whether the memory statistics file should be written or not. Additionally named's -m option will cause the statistics file to be written. [RT #17113]
added IPv6 synthesis tests