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.
Clean up after reclimit system test
[master] add max-recursion-queries also fixes and documentation for max-recursion-depth