matplotlib Code

Colorbar calls colorbar_classic if necessary; fixed docstring
problems; made colorbar recalculate if clim is changed.

New version of colorbar, plus small bugfixes.

Masked array support for pcolormesh; edited docstrings.

Another increment of aspect ratio handling; make polar plots stay circular.

Another increment of aspect handling; still not finished, but
axes.set_position() now works again.

added **kwargs to all backend_*.print_figure
methods to provide papertype kwarg to backend_ps

fixed landscape orientation for usetex option

added subprocess module from python-2.4

minor docstring fixes

fixed uneven gridline bug

Added norm support to contour and colorbar.