utils: add kjournalprint utility

.gitignore

Knot.files

doc/.gitignore

doc/Makefile.am

doc/conf.py

doc/man/kjournalprint.1in

doc/man_kjournalprint.rst

doc/utilities.rst

src/Makefile.am

src/knot/nameserver/ixfr.c

src/knot/server/journal.c

src/knot/server/journal.h

src/knot/zone/zone-dump.c

src/knot/zone/zone-dump.h

src/knot/zone/zone-load.c

src/knot/zone/zonefile.c

src/utils/kjournalprint/main.c

tests/journal.c