Merge branch 'master' into rr_refactor

Knot.files

src/Makefile.am

src/common/errcode.c

src/common/errcode.h

src/common/sockaddr.c

src/common/sockaddr.h

src/knot/conf/cf-lex.l

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/ctl/remote.h

src/knot/main.c

src/knot/nameserver/process_query.c

src/knot/nameserver/process_query.h

src/knot/nameserver/update.c

src/knot/server/net.c

src/knot/server/net.h

src/knot/server/rrl.c