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

- Fix typo

PR: kern/132773
Reported by: Alan R. S. Bueno <alan.bsd@gmail.com>
Submitted by: Murilo Opsfelder <mopsfelder@gmail.com>

- Add Brazilian Portuguese catalog [1]
- Fixes for German catalog [2]

PR: kern/132694 [1], conf/80504 [2]
Submitted by: Murilo Opsfelder <mopsfelder@gmail.com> [1],
brueffer [2]