More useful return values for boxplot

Hi, I just read in another thread that the recommended way

    > to submit patches is to both post them here and on the
    > Sourceforge tracker. Here's one that I had only posted on

It's a good reminder, since I follow the lists more closely than the
sf site....

    > the tracker a while ago but that still seems to apply
    > cleanly to current cvs. It fixes a bug in my previous
    > boxplot patch (division by zero if you only plot one box),
    > and changes the return value of boxplot so that you can
    > modify the different parts of the plot separately, as
    > suggested in John's commentary to David Haas's original
    > boxplot patch. Here's an example:

OK, committed to CVS. Thanks!

Checking in lib/matplotlib/;
/cvsroot/matplotlib/matplotlib/lib/matplotlib/,v <--
new revision: 1.152; previous revision: 1.151