Merge branch 'master' into edns-fixes

Knot.files

configure.ac

doc/running.rst

m4/knot-check-header.m4

man/knotc.8.in

src/Makefile.am

src/common/log.c

src/common/namedb/namedb.h

src/common/namedb/namedb_lmdb.c

src/common/namedb/namedb_lmdb.h

src/common/namedb/namedb_trie.c

src/common/namedb/namedb_trie.h

src/knot/conf/cf-parse.y

src/knot/conf/conf.c

src/knot/conf/conf.h

src/knot/ctl/knotc_main.c

src/knot/ctl/remote.c

src/knot/dnssec/nsec3-chain.c

src/knot/main.c

src/knot/modules/synth_record.c