improved surface: __go_draw_axes__

[Kai Habel]

Hello,

I had to apply my changes to __go_draw_axes__.m manually, without the
possibility to check it now (I am recompiling now). So, there is a good
chance that something went wrong. I will check tomorrow and repost if
needed.

Kai

2007-11-04  Kai Habel  <address@hidden>

  * plot/__go_draw_axes__.m: Use pm3d mode for surface now

and a missing one for my previous mail:

2007-11-04  Kai Habel  <address@hidden>

  * plot/shading.m: New function
  * plot/surface.m: New function
  * plot/mesh.m: Calls now surface.m
  * plot/pcolor.m: New function
  * plot/surf.m: New function