pareto function

[John W. Eaton]

On 30-Nov-2007, David Bateman wrote:

| Here is a patch that adds the pareto function. At the same time it fixes
| two bugs in plotyy and __go_draw_axes__ that prevented pareto from
| working correctly.

I checked it in.

| +   [dummy, idx95] = min (abs (cdf - .95));
| +   idx95 - idx95(1);

The last line above looks like a possible bug, or at least an
expression that should be deleted.

jwe