Regularise files and note what's missing.

TODO

decus/vax92a/bulletin-net92a/bulletin_howtoget.txt

decus/vms93a/bulletin/aaareadme

decus/vms93a/bulletin/aaareadme.txt

decus/vms93a/bulletin/allmacs.mar

decus/vms93a/bulletin/board_digest.com

decus/vms93a/bulletin/board_special.com

decus/vms93a/bulletin/bull_news.c

decus/vms93a/bulletin/bull_newsdummy.for

decus/vms93a/bulletin/bullcom.cld

decus/vms93a/bulletin/bullcoms1.hlp

decus/vms93a/bulletin/bullcoms2.hlp

decus/vms93a/bulletin/bulldir.inc

decus/vms93a/bulletin/bullet1.com

decus/vms93a/bulletin/bulletin.cld

decus/vms93a/bulletin/bulletin.for

decus/vms93a/bulletin/bulletin.hlp

decus/vms93a/bulletin/bulletin.lnk

decus/vms93a/bulletin/bulletin0.for

decus/vms93a/bulletin/bulletin1.for