Merge branch 'better_zone_dump' of /git/repositories/labs/knot

src/knot/zone/zone-dump.c

src/libknot/rrset-dump.c

src/libknot/rrset-dump.h

src/utils/common/exec.c

src/utils/dig/dig_params.c

src/utils/host/host_params.c

src/utils/nsupdate/nsupdate_params.c