new copyright; att/bsd/shared

new copyright; att/bsd/shared

SCCS-vsn: old/adb/adb.vax/kstack.c 5.2
SCCS-vsn: old/adb/adb.vax/machdep.c 5.4
SCCS-vsn: old/adb/adb.vax/machdep.h 5.3
SCCS-vsn: old/adb/adb.vax/opset.c 4.9
SCCS-vsn: old/adb/adb.vax/optab.c 4.6
SCCS-vsn: old/adb/adb.vax/rodata.c 5.2
SCCS-vsn: old/adb/common_source/access.c 5.4
SCCS-vsn: old/adb/common_source/adb.1 5.10
SCCS-vsn: old/adb/common_source/bkpt.h 5.2
SCCS-vsn: old/adb/common_source/command.c 5.5
SCCS-vsn: old/adb/common_source/defs.h 5.5
SCCS-vsn: old/adb/common_source/expr.c 5.2
SCCS-vsn: old/adb/common_source/format.c 5.4
SCCS-vsn: old/adb/common_source/main.c 5.6
SCCS-vsn: old/adb/common_source/output.c 5.2
SCCS-vsn: old/adb/common_source/pcs.c 5.6
SCCS-vsn: old/adb/common_source/print.c 5.4
SCCS-vsn: old/adb/common_source/setup.c 5.5
SCCS-vsn: old/adb/common_source/strings.c 5.2
SCCS-vsn: old/adb/common_source/sym.c 5.3
SCCS-vsn: bin/csh/alloc.c 5.5
SCCS-vsn: bin/csh/csh.c 5.20
SCCS-vsn: bin/csh/char.c 5.4
SCCS-vsn: bin/csh/char.h 5.5
SCCS-vsn: bin/csh/dir.c 5.5
SCCS-vsn: bin/csh/dir.h 5.3
SCCS-vsn: bin/csh/dol.c 5.8
SCCS-vsn: bin/csh/err.c 5.5
SCCS-vsn: bin/csh/exec.c 5.11
SCCS-vsn: bin/csh/exp.c 5.6
SCCS-vsn: bin/csh/file.c 5.11
SCCS-vsn: bin/csh/func.c 5.14
SCCS-vsn: bin/csh/glob.c 5.13
SCCS-vsn: bin/csh/csh.h 5.10
SCCS-vsn: bin/csh/hist.c 5.4
SCCS-vsn: bin/csh/init.c 5.7
SCCS-vsn: bin/csh/lex.c 5.10
SCCS-vsn: bin/csh/misc.c 5.6
SCCS-vsn: bin/csh/parse.c 5.6
SCCS-vsn: bin/csh/proc.c 5.15
SCCS-vsn: bin/csh/proc.h 5.3
SCCS-vsn: bin/csh/sem.c 5.11
SCCS-vsn: bin/csh/set.c 5.5
SCCS-vsn: bin/csh/time.c 5.8
SCCS-vsn: bin/dd/dd.c 5.3