Moved zone dumps and zone load to server.

Knot.files

src/Makefile.am

src/dnslib/dnslib.h

src/dnslib/name-server.c

src/dnslib/xfr-in.c

src/knot/ctl/knotc_main.c

src/knot/server/server.c

src/knot/server/zones.c

src/knot/zone/zone-dump-text.c

src/knot/zone/zone-dump-text.h

src/knot/zone/zone-dump.c

src/knot/zone/zone-dump.h

src/knot/zone/zone-load.c

src/knot/zone/zone-load.h

src/zcompile/tests/zcompile_tests.c