Merge branch 'onlinesign_evo2' into 'master'

Knot.files

src/Makefile.am

src/knot/ctl/commands.c

src/knot/dnssec/context.c

src/knot/dnssec/ds_query.c

src/knot/dnssec/ds_query.h

src/knot/dnssec/kasp/policy.h

src/knot/events/handlers/parent_ds_query.c

src/knot/modules/onlinesign/onlinesign.c

src/knot/modules/onlinesign/onlinesign.rst

src/utils/keymgr/functions.c

tests-extra/tests/modules/onlinesign_rollovers/data/com.zone

tests-extra/tests/modules/onlinesign_rollovers/test.py

tests-extra/tools/dnstest/module.py

tests-extra/tools/dnstest/server.py