matplotlib Code

change num2date/date2num default behavior so it is same as matplotlib's.

use "import numpy.ma as ma" instead of "from numpy import ma"

fixed warpimage method to work with recent matplotlib change
"2008-05-29 matplotlib.image.imread now no longer always returns RGBA"

updated pyproj to 1.8.6

update pyproj to 1.8.5

regenerate C source using newest version of Cython

change variable name

fix problems caused by change to "import numpy as np"

convert to np/plt (from numpy, pylab)

convert more examples to pyplot and numpy namespaces.