Merge branch 'libknot-separation' into libknot

configure.ac

libknot/hash/universal-system.h

libknot/libknot.h

libknot/name-server.c

libknot/xfr-in.c

libknot/zonedb.c

ltmain.sh

src/Makefile.am

src/config.h.in

src/knot/conf/cf-parse.y

src/knot/conf/conf.h

src/knot/server/notify.c

src/knot/server/notify.h

src/knot/server/server.c

src/knot/server/server.h

src/knot/server/tcp-handler.c

src/knot/server/udp-handler.c

src/knot/server/xfr-handler.c

src/knot/server/xfr-handler.h

src/knot/server/zones.c