matplotlib Code

applied gregors agg resample patch

Fix polygon closing and provide option not to close (used by hist(histtype="step"))

Close polygons.

work on converting docstrings to restructured text

fixed a wx bug and added PIL support to imread

changed numpy abbrev from npy to np

Standardize patch argument handling
Setters of properties that have default values (from rcParams)
should use the default if called with argument None.
Also, aliases for setters are provided more concisely.

Fixing Arrow patch (as submitted by Michael Fitzgerald)

Fixed minor __str__ bugs so getp(gca()) works.

Fig dpi-changing-related bug where tick label padding was not updating
(Thanks Eric Firing for finding this).