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

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

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

Approved by: re (implicit)

Shift+Ins - paste buffer
Shift+PrintScr - prev. screen

Add the Euro character on AltGr + E in these european keymaps as well.

Reminded by: Anders Andersson <anders@sanyusan.se>
alex@big.endian.de (Alexander Langer)

- Fix Swiss keymaps: swissfrench.iso.kbd and swissgerman.iso.kbd.
Add new keymaps: swissfrench.iso.acc.kbd, swissgerman.acc.kbd,
swissfrench.cp850.kbd, and swissgerman.cp850.kbd.

PR: conf/14667
Submitted by: Blapp Martin (mb@imb.ch)
Tested by: a number of Swiss users.