implementation of patch objects

[John W. Eaton]

On  8-Aug-2007, Kai Habel wrote:

| I have implemented the patch object. Of course this is a first version 
| and not every possible property/argument is implemented. To evaluate the 
| patch/cdata property correctly, I have added clim and climmode for the 
| axes object. 
| Currently something like patch(x,y,"yellow") does not work but 
| patch(x,y, [1 1 0]) does, see my other meesage about this problem as of 
| today [1].
| 
| Attached are patches to graphics.{cc|h} and first versions of patch.m 
| and __patch__.m

I applied these changes.

| 2007-08-08  Kai Habel  <address@hidden>
| 
|       * graphics.cc, graphics.h: added patch object and clim/climmode
|           property for axes object. New files __patch__.m and patch.m

Thanks for including a ChangeLog entry, but please note that there is
more than one ChangeLog file, so there should be separate entries for
the scripts/ChangeLog and src/ChangeLog files, and it would be helpful
if the entries followed the conventions used in other entries.

Thanks,

jwe