4401. [misc] Change LICENSE to MPL 2.0.
update copyright notice
1574. [bug] Don't attempt to open the controls socket(s) when running tests. [RT #9091]
copyright update
added notify-source options
added 'transfer-source' directives to all system test named.conf files, so that tests succeed while transfer-source is still being (ab)used as the notify source address
make spacing in listen-on-v6 option consistent with other options
update unknown rr test
Test that the unknown rr type code doesn't load compressed rdata.
Add a system test for records with unknown types/classes. There are probably a lot more things that could be tested here.