Accept parameters on the command-line, rather than hard-coding them into the script.  Misc. housekeeping.
Accept parameters on the command-line, rather than hard-coding them
into the script.  Misc. housekeeping.

* tools/client-side/svn-graph.pl
  Bump copyright year.  Kill parameterization TODO item.  Add merge
  history TODO item.  Use the Getopt::Std module.  Comment out print
  to stderr.

  ($repos_url): Rename from $REPOS_URL.

  (parse_commandline): New function which validates the command-line
   arguments, and sets the global variables $repos_url, $youngest,
   $startrev, and $startpath.

  (process_revision): Replace double quotes with single where string
   interpolation is unnecessary.  Comment out print to stderr.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@862346 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion