Merge branch 'development' into axfr-out

samples/knot.conf.sample

src/common/slab/alloc-common.h

src/dnslib/zone-dump.c

src/dnslib/zone-dump.h

src/dnslib/zone-load.c

src/knot/conf/cf-lex.l

src/knot/conf/cf-parse.y

src/knot/conf/conf.c

src/knot/conf/conf.h

src/knot/ctl/knotc_main.c

src/zcompile/tests/zcompile_tests.c

src/zcompile/zcompile.c

src/zcompile/zcompile.h

src/zcompile/zcompile_main.c