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

Add references to sponsor.ent and vendor.ent in
relnotes/article.xml and share/xml/catalog.xml.

Sponsored by: The FreeBSD Foundation

- Purge old translations.
- Add missing footer due to DSSSL->XSLT migration and use XML catalog to
resolve URI[*].

Based on the work by: gabor [*]

- Update release noted to DocBook 5.0 so that they work with the new tree

- Update the release notes to DocBook 4.5 XML to build with the
updated documentation tree

- Rename .sgml files to .xml to track the recent doc changes

MFC after: 1 day

ISO_* -> ISO* rename

More RELNOTESng infrastructure fixup: The directory layout of
stylesheets (particularly with respect to translations) is now similar
to that of the doc/ tree. Added a customization for HTML page footers
(this is the only reader-visible change).

First commit of RELNOTESng, the rewrite of the *.TXT documentation
files.

src/release/doc/README has additional information.

Reviewed by: -current, -doc