update copyright notice / whitespace
save why ydump.py failed (cherry picked from commit f5d429e7c32006c40b66b0db063524e4b46a73b5)
4460. [test] Add system test for dnstap using unix domain sockets. [RT #42926] (cherry picked from commit 3e1fa8411be8baa134083d6893e93406adc038ea)
4454. [bug] 'rndc dnstap -reopen' had a race issue. [RT #43089] (cherry picked from commit 726cddb56447812f7c4080816b08cbae8e96f7b0)
4401. [misc] Change LICENSE to MPL 2.0.
update copyrights / whitespace
4394. [func] Add rndc command "dnstap-reopen" to close and reopen dnstap output filed. [RT #41803]
[master] dnstap 4235. [func] Added support in named for "dnstap", a fast method of capturing and logging DNS traffic, and a new command "dnstap-read" to read a dnstap log file. Use "configure --enable-dnstap" to enable this feature (note that this requires libprotobuf-c and libfstrm). See the ARM for configuration details. Thanks to Robert Edmonds of Farsight Security. [RT #40211]