Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

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

Clean some 'svn:executable' properties in the tree.

Submitted by: Christoph Mallon

While here, merge some other mergeinfo properties that
were left behind from my commits

/head/include:r241008,241141,241181
/head/contrib/gcc:r244776,244792
/head/cddl:r238457,238509,238558

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

* Someone imported a lot of files with the wrong CVS tag, so lots of files need
that fixed in them....
* Keep unnecessary files out of the non-vendor part of this CVS repository.

This commit was generated by cvs2svn to compensate for changes in r145510,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r110917,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r98005,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r95419,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r92688,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r92686,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r72003,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r67615,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r60841,
which included commits to RCS files with non-trunk default branches.