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

Merge vendor/file/dist@191739, bringing FILE 5.00 to 8-CURRENT.

Record that base/vendor/file/dist@186675 was merged.
Merge base/vendor/file/dist@186675@186690, bringing FILE 4.26 to 8-CURRENT.

Virgin import of Christos Zoulas's FILE 4.26.