Merge branch 'lmdb_refactor' into 'master'

Knot.files

src/knot/Makefile.inc

src/knot/conf/conf.c

src/knot/conf/conf.h

src/knot/conf/schema.c

src/knot/conf/schema.h

src/knot/ctl/commands.c

src/knot/dnssec/context.c

src/knot/dnssec/context.h

src/knot/dnssec/kasp/kasp_db.c

src/knot/dnssec/kasp/kasp_db.h

src/knot/dnssec/kasp/kasp_zone.c

src/knot/dnssec/kasp/kasp_zone.h

src/knot/dnssec/key-events.c

src/knot/dnssec/zone-events.c

src/knot/dnssec/zone-keys.c

src/knot/dnssec/zone-sign.c

src/knot/events/events.c

src/knot/events/events.h

src/knot/events/handlers/load.c