current state of plot demos

[Ben Abbott]

With tip below, I've compiled a comparison of the demo plots for the gnuplot 
and fltk backends (using Soren's dump_demos.m script).

$ hg tip
changeset:   13143:bda7b080f205
tag:         tip
user:        Ben Abbott  <address@hidden>
date:        Thu Sep 15 17:55:36 2011 -0400
summary:     gnuplot support for log plots with only negative data.  Bug #34232.

For those interested the results are at the link below.

        http://homepage.mac.com/bpabbott/13137/compare_plots.html

Ben