Merge conflicts between 9.3 and 9.5

add some more functions to namespace.h; add missing RCSIDs

branches: 1.1.1;
Initial revision

add some more functions to namespace.h; add missing RCSIDs

branches: 1.1.1;
Initial revision

OpenSSH 8.3 was released on 2020-05-27. It is available from the
mirrors listed at https://www.openssh.com/.

OpenSSH is a 100% complete SSH protocol 2.0 implementation and
includes sftp client and server support.

Once again, we would like to thank the OpenSSH community for their
continued support of the project, especially those who contributed
code or patches, reported bugs, tested snapshots or donated to the
project. More information on donations may be found at:
https://www.openssh.com/donations.html

Future deprecation notice