Merge branch 'development' of git+ssh://git.nic.cz/projects/labs/knot into development

src/common/acl.c

src/common/acl.h

src/common/evsched.c

src/knot/conf/cf-parse.y

src/knot/other/debug.h

src/knot/server/tcp-handler.c

src/knot/server/udp-handler.c

src/knot/server/xfr-handler.c

src/knot/server/zones.c

src/knot/server/zones.h

src/libknot/nameserver/name-server.c

src/libknot/nameserver/name-server.h

src/libknot/packet/packet.c

src/libknot/packet/packet.h

src/libknot/tsig-op.c

src/libknot/updates/xfr-in.c

src/libknot/util/debug.h

src/tests/libknot/realdata/libknot_tests_loader_realdata.c