dnssec: move to libdnssec

.gitignore

.ycm_extra_conf.py

Doxyfile.in

Knot.files

Knot.includes

Makefile.am

configure.ac

src/Makefile.am

src/contrib/dnstap/Makefile.am

src/dnssec/.gitignore

src/dnssec/contrib/gnutls_error.c

src/knot/conf/schema.c

src/knot/conf/tools.c

src/knot/dnssec/context.h

src/knot/dnssec/kasp/kasp_zone.c

src/knot/dnssec/kasp/keystore.c

src/knot/dnssec/kasp/keystore.h

src/knot/dnssec/kasp/policy.h

src/knot/dnssec/nsec-chain.h

src/knot/dnssec/nsec3-chain.h