Copy stable/11@r303970 to releng/11.0 as part of the 11.0-RELEASE
cycle.

Prune svn:mergeinfo from the new branch, and rename it to RC1.

Update __FreeBSD_version.

Use the quarterly branch for the default FreeBSD.conf pkg(8) repo and
the dvd1.iso packages population.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Update to latest upstream version

PR: 209177
Reported by: Vitaly Magerya
MFC after: 1 week

Import Magerya Vitaly's ldns-host, and build it instead of the BIND version
in the WITH_LDNS_UTILS case.

Approved by: re (blanket)

Import an LDNS-based implementation of host(1).