Reorg docs, part 2:

Rename the following reference documents to match their programs:
   shell -> sh
   viref -> vi

and rename the following to match their topic better:
   ipctut -> sockets
   ipc -> sockets-advanced

Also, the old "timed" and "timedop" docs are now ref5/timed and
ref8/timed respectively, as the first of these documented the
protocol.

bin/sh/USD.doc/Makefile

@@ -1,12 +1,12 @@
-#	$NetBSD: Makefile,v 1.3 2014/07/05 19:22:41 dholland Exp $
+#	$NetBSD: Makefile,v 1.4 2014/07/05 19:23:00 dholland Exp $
 #	@(#)Makefile	8.1 (Berkeley) 8/14/93
 
 SECTION=reference/ref1
-ARTICLE=shell
+ARTICLE=sh
 SRCS=	referargs t.mac t1 t2 t3 t4
 MACROS=-ms
 ROFF_REFER=yes
 #REFER_ARGS=-e -p Rv7man
-EXTRAHTMLFILES=shell1.png shell2.png shell3.png shell4.png shell5.png
+EXTRAHTMLFILES=sh1.png sh2.png sh3.png sh4.png sh5.png
 
 .include <bsd.doc.mk>

external/bsd/nvi/docs/USD.doc/vi.ref/Makefile

@@ -1,9 +1,9 @@
-#	$NetBSD: Makefile,v 1.3 2014/07/05 19:22:42 dholland Exp $
+#	$NetBSD: Makefile,v 1.4 2014/07/05 19:23:00 dholland Exp $
 #
 #	@(#)Makefile	8.20 (Berkeley) 8/18/96
 
 SECTION=	reference/ref1
-ARTICLE=	viref
+ARTICLE=	vi
 SRCS=		vi.ref
 DEPSRCS=	ex.cmd.roff set.opt.roff vi.cmd.roff ref.so index.so
 MACROS=		-me

share/doc/psd/20.ipctut/Makefile

@@ -1,9 +1,9 @@
-#	$NetBSD: Makefile,v 1.7 2014/07/05 19:22:42 dholland Exp $
+#	$NetBSD: Makefile,v 1.8 2014/07/05 19:23:00 dholland Exp $
 #
 #	@(#)Makefile	8.1 (Berkeley) 8/14/93
 
 SECTION=reference/ref3
-ARTICLE=ipctut
+ARTICLE=sockets
 SRCS=	tutor.me
 DEPSRCS=dgramread.c dgramsend.c fig2.pic fig3.pic fig8.pic pipe.c \
 	socketpair.c strchkread.c streamread.c streamwrite.c \

share/doc/psd/21.ipc/Makefile

@@ -1,9 +1,9 @@
-#	$NetBSD: Makefile,v 1.7 2014/07/05 19:22:42 dholland Exp $
+#	$NetBSD: Makefile,v 1.8 2014/07/05 19:23:00 dholland Exp $
 #
 #	@(#)Makefile	8.1 (Berkeley) 6/8/93
 
 SECTION=reference/ref3
-ARTICLE=ipc
+ARTICLE=sockets-advanced
 SRCS=	0.t 1.t 2.t 3.t 4.t 5.t
 MACROS=	-ms
 ROFF_TBL=yes