Added pop3d testsuite.

+2002-08-21  Sergey Poznyakoff 
+
+	Added pop3d testsuite.
+	
+	* testsuite/makespool: New option -subst: sets sed command
+	  to be used.
+	* testsuite/etc/passwd.in: New file. Template for etc/passwd
+	  for testing pop3d and imap4d.
+	* testsuite/etc/DISTFILES: Added passwd.in
+	* testsuite/lib/mailutils.exp (mu_init,mu_version): Modified.
+
+	* configure.ac: Added pop3d/testsuite/Makefile
+	* pop3d/Makefile.am: Likewise.
+
+	* pop3d/testsuite: Added to repository
+	* pop3d/testsuite/Makefile.am: Likewise.
+	* pop3d/testsuite/config: Likewise.
+	* pop3d/testsuite/config/DISTFILES: Likewise.
+	* pop3d/testsuite/config/unix.exp: Likewise.
+	* pop3d/testsuite/lib: Likewise.
+	* pop3d/testsuite/lib/DISTFILES: Likewise.
+	* pop3d/testsuite/lib/pop3d.exp: Likewise.
+	* pop3d/testsuite/pop3d: Likewise.
+	* pop3d/testsuite/pop3d/DISTFILES: Likewise.
+	* pop3d/testsuite/pop3d/read.exp: Likewise.
+	
+	* mail/testsuite/lib/mail.exp: Updated
+	* mailbox/mu_argp.c: New hidden option
+	  --show-config-options. Displays a list of configuration
+	  defines from config.h
+
 2002-08-20  Sergey Poznyakoff 
 
 	* Makefile.am: Added testsuite subdirectory