Merge branch 'axfr-out' of git+ssh://git.nic.cz/projects/labs/cutedns into axfr-out

samples/example.com.zone.nsec3

src/dnslib/dname.c

src/dnslib/dname.h

src/dnslib/dnslib-error.c

src/dnslib/edns.c

src/dnslib/edns.h

src/dnslib/error.h

src/dnslib/response.c

src/dnslib/response.h

src/dnslib/tests/dnslib/response_tests.c

src/knot/server/name-server.c