Merge pull request matplotlib#1300 from jenshnielsen/pcolormesh_doc

Pcolormesh and colorbar documentation.

Author: pelson

lib/matplotlib/axes.py

@@ -7413,11 +7413,13 @@ def pcolormesh(self, *args, **kwargs):
             'gouraud', each quad will be Gouraud shaded.  When gouraud
             shading, edgecolors is ignored.
 
-          *edgecolors*: [ *None* | ``'None'`` | color | color sequence]
+          *edgecolors*: [ *None* | ``'None'`` | ``'face'`` | color | color sequence]
             If *None*, the rc setting is used by default.
 
             If ``'None'``, edges will not be visible.
 
+            If ``'face'``, edges will have the same color as the faces. 
+
             An mpl color or sequence of colors will set the edge color
 
           *alpha*: ``0 <= scalar <= 1``  or *None*

lib/mpl_toolkits/axes_grid1/colorbar.py

@@ -518,7 +518,7 @@ def _edges(self, X, Y):
 
     def _add_solids(self, X, Y, C):
         '''
-        Draw the colors using :meth:`~matplotlib.axes.Axes.pcolor`;
+        Draw the colors using :meth:`~matplotlib.axes.Axes.pcolormesh`;
         optionally add separators.
         '''
         ## Change to pcolorfast after fixing bugs in some backends...