Merge branch 'some_experiment' into 'master'

Knot.files

Knot.includes

doc/doxygen/Doxy.page.h

doc/man/knot.conf.5in

doc/reference.rst

src/knot/Makefile.inc

src/knot/conf/schema.c

src/knot/conf/schema.h

src/knot/dnssec/zone-events.c

src/knot/dnssec/zone-sign.c

src/knot/dnssec/zone-sign.h

src/knot/events/handlers/load.c

src/knot/events/handlers/refresh.c

src/knot/events/handlers/update.c

src/knot/updates/apply.c

src/knot/updates/apply.h

src/knot/updates/zone-update.c

src/knot/updates/zone-update.h

src/knot/zone/contents.c

src/knot/zone/contents.h