matplotlib Code

van der Grinten fix

add van der Grinten ('vandg')

added two new projections ('mbtfpq' and 'gall')

print proj4string attribute.

convert to numpy and pyplt namespaces.

renamed _geos to _geoslib, fixes for omerc

remove backwards compatibility kludge for ax.get_position

change import to 'from mpl_toolkits.basemap import Basemap'

better way to handle backwards compatibility in axes.get_position()

wrap ax.get_position in a try/except so examples will work with transforms
branch.