Add a time base for nightly builds

Increment the time base at the each update.
Remove the unnecessary patches that overrode
the timestamp printouts.

src/scripts/nightly/nightlybuild.sh

@@ -175,6 +175,7 @@ then
 	echo ""
 fi
 
+git-add include/emptime.h src/lib/gen/emptime.c
 git-pull
 sh ./bootstrap
 ./configure --prefix ${BOXDIR}/${WORKDIR}/emp4 ${CONFIGURE_OPTIONS}

src/scripts/nightly/patches/All/common_file.c.patch

@@ -1,13 +0,0 @@
-diff --git a/src/lib/common/file.c b/src/lib/common/file.c
-index ae851ae..872c363 100644
---- a/src/lib/common/file.c
-+++ b/src/lib/common/file.c
-@@ -384,7 +384,7 @@ do_write(struct empfile *ep, void *buf, int id, int count)
- 	return -1;
-
-     if (ep->flags & EFF_TYPED) {
--	now = ep->flags & EFF_NOTIME ? (time_t)-1 : time(NULL);
-+	now = ep->flags & EFF_NOTIME ? (time_t)-1 : (time_t)100;
- 	for (i = 0; i < count; i++) {
- 	    /*
- 	     * TODO Oopses here could be due to bad data corruption.

src/scripts/nightly/patches/All/lost.c.patch

@@ -1,13 +0,0 @@
-diff --git a/src/lib/commands/lost.c b/src/lib/commands/lost.c
-index 8e410e6..b29c0a2 100644
---- a/src/lib/commands/lost.c
-+++ b/src/lib/commands/lost.c
-@@ -51,7 +51,7 @@ lost(void)
-
-     prdate();
-     nlost = 0;
--    time(&now);
-+    now = (time_t)101;
-     pr("DUMP LOST ITEMS %ld\n", (long)now);
-     if (player->god)
- 	pr("owner ");

src/scripts/nightly/patches/All/pr.c.patch

@@ -1,20 +1,6 @@
 Index: empserver/src/lib/subs/pr.c
 --- empserver/src/lib/subs/pr.c	18 Aug 2007 17:03:13 -0000	1.41
 +++ empserver/src/lib/subs/pr.c	9 Sep 2007 02:42:51 -0000
-@@ -68,6 +68,13 @@
- static void upr_player(struct player *pl, int id, char *buf);
- static void outid(struct player *pl, int n);
-
-+/* Hack for nightlybuild */
-+char *
-+ctime(const time_t *clock)
-+{
-+    return "Thu Jan  1 00:00:00 GMT 1970\n";
-+}
-+
- /*
-  * Print to current player similar to printf().
-  * Use printf-style FORMAT with the optional arguments.
 @@ -351,7 +358,7 @@
  void
  prprompt(int min, int btu)