Ticket #47711 - improve dbgen rdn generation, output and man page.

Description:
dbgen.pl usage: "old" is replaced with "new".
old: "-j 0 pad numbers used in RDN to this many digits e.g. with 4 1 becomes 0001"
new: "-j 0 pad numbers used in RDN to this many digits e.g. with 4 1 becomes 0001 (ignored unless -b is specified)"
old: "-b beginning number for RDN (default 1 - ending number is -n value)"
new: "-b beginning number for RDN (ending number is -n value + beginning number)"

dbgen.pl man page: following options are added.
  -b number
     Beginning number for RDN e.g. uid=1
     (ending number is -n value + beginning number)
  -j number
     0 pad numbers used in RDN to this many digits e.g. with 4 1 becomes 0001
     (ignored unless -b number is specified)

https://fedorahosted.org/389/ticket/47711

Reviewed by [email protected] (Thanks, Rich!)

ldap/servers/slapd/tools/rsearch/scripts/dbgen.pl.in

@@ -65,10 +65,10 @@ sub PrintUsage {
 	"\t -s suffix, default is 'dc=example,dc=com'\n",
 	"\t -c for CN naming style RDN's : default is UID\n",
 	"\t -z extra objectclasses to add to base used in -O - should be AUXILIARY or SUB\n",
-	"\t -j 0 pad numbers used in RDN to this many digits e.g. with 4 1 becomes 0001\n",
+	"\t -j 0 pad numbers used in RDN to this many digits e.g. with 4 1 becomes 0001 (ignored unless -b is specified)\n",
 	"\t -m naming attribute for RDN\n",
 	"\t -n number of entries to generate\n",
-	"\t -b beginning number for RDN (default 1 - ending number is -n value)\n",
+	"\t -b beginning number for RDN (ending number is -n value + beginning number)\n",
 	"\t -p for organizationalPersons, default is inetOrgPerson\n",
 	"\t -r seed---seed number for random number generator\n",
 	"\t -g print extra entries for orgchart\n",

man/man1/dbgen.pl.1

@@ -65,6 +65,12 @@ Location of directory containing data files, default is /usr/share/dirsrv/data
 .TP
 .B \-n number
 Number of entries to be generated
+.TP
+.B \-b number
+Beginning number for RDN e.g. uid=1 (ending number is \-n value + beginning number)
+.TP
+.B \-j number
+0 pad numbers used in RDN to this many digits e.g. with 4 1 becomes 0001 (ignored unless \-b number is specified)
 .br
 .SH AUTHOR
 dbgen.pl was written by the 389 Project.