- old tests dropped, will be useful in rdata_t and knot_rdataset_t
  tests.

Conflicts:
	src/knot/nameserver/process_query.h
	src/knot/server/udp-handler.c
	src/knot/server/zone-load.c
	src/knot/zone/zone.c

This reverts commit f4de5482.

refs #239

Conflicts:
	src/knot/server/udp-handler.c

This reverts commit 4847e1ba.

change.

- remnant of libknot separation I guess.