Add CVS Revision number to ab.c to allow for detecting changes

which were not marked by a version number update. Additionally,
display base repository name (apache-2.0)

Also, merge revision 1.34 of the 1.3 branch:
 Made sure ApacheBench (ab) performs no more requests than
 specified on command line (option -n).

Submitted by: Jim Cox <jc@superlink.net>
Reviewed by: Ralf S. Engelschall
PR: 4839


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@84056 13f79535-47bb-0310-9956-ffa450edef68