Commit to match discussed elog() changes. Only update is that LOG is

now just below FATAL in server_min_messages.  Added more text to
highlight ordering difference between it and client_min_messages.

---------------------------------------------------------------------------

REALLYFATAL => PANIC
STOP => PANIC
New INFO level the prints to client by default
New LOG level the prints to server log by default
Cause VACUUM information to print only to the client
NOTICE => INFO where purely information messages are sent
DEBUG => LOG for purely server status messages
DEBUG removed, kept as backward compatible
DEBUG5, DEBUG4, DEBUG3, DEBUG2, DEBUG1 added
DebugLvl removed in favor of new DEBUG[1-5] symbols
New server_min_messages GUC parameter with values:
        DEBUG[5-1], INFO, NOTICE, ERROR, LOG, FATAL, PANIC
New client_min_messages GUC parameter with values:
        DEBUG[5-1], LOG, INFO, NOTICE, ERROR, FATAL, PANIC
Server startup now logged with LOG instead of DEBUG
Remove debug_level GUC parameter
elog() numbers now start at 10
Add test to print error message if older elog() values are passed to elog()
Bootstrap mode now has a -d that requires an argument, like postmaster

doc/src/sgml/ref/postmaster.sgml

@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/postmaster.sgml,v 1.26 2001/12/08 03:24:38 thomas Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/postmaster.sgml,v 1.27 2002/03/02 21:39:16 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -127,9 +127,8 @@ PostgreSQL documentation
       <listitem>
        <para>
         Sets the debug level.  The higher this value is set, the more
-        debugging output is written to the server log.  The default is
-        0, which means no debugging.  Values up to 4 are useful; higher
-	numbers produce no additional output.
+        debugging output is written to the server log.  Values are from
+	1 to 5.
        </para>
       </listitem>
      </varlistentry>