Merge branch 'zscanner_interface' into 'master'

Knot.files

src/knot/ctl/knotc_main.c

src/knot/zone/estimator.c

src/knot/zone/estimator.h

src/knot/zone/zone-create.c

src/knot/zone/zone-create.h

src/libknot/dnssec/key.c

src/utils/nsupdate/nsupdate_exec.c

src/utils/nsupdate/nsupdate_params.c

src/utils/nsupdate/nsupdate_params.h

src/zscanner/Makefile.am

src/zscanner/error.c

src/zscanner/error.h

src/zscanner/functions.c

src/zscanner/functions.h

src/zscanner/loader.c

src/zscanner/loader.h

src/zscanner/scanner.c.g2

src/zscanner/scanner.c.t0

src/zscanner/scanner.h