- puts the hostname in the bar for s-bsd.

- system file for Cray XMP systems from Walter Poxon <wdp@zeus.cray.com>
  Thanks.  (I haven't a Cray to test this, alas:-)

- uses stippling instead of tiling to avoid hallucinogenic effects
  on colour displays

- uses the R4 include and Imakefile conventions
