Merge branch 'zone-events-queue' into opt-refactor

Knot.files

doc/troubleshooting.rst

src/knot/zone/node.c

src/libknot/rdata.c

src/libknot/rdata.h

src/libknot/rdataset.c

src/libknot/rdataset.h

src/libknot/rrset.c

tests-extra/tests/dnssec/add_remove/test.py

tests/.gitignore

tests/Makefile.am

tests/node.c

tests/rdata.c

tests/rdataset.c

tests/rrset.c