matplotlib Code

add new example showing how to plot H's and L's on a pressure map (uses scipy)

fix typo

add fix_aspect kwarg - when False, plot will not be forced
to match aspect ratio of map region.

import cm into basemap namespace

don't use fancy indexing in date2index (won't work for opendap datasets)

remove some extra whitespace

updated netcdftime to 0.7.1

update date2index docstring.

bugfixes for date2index

make default calendar proleptic_gregorian for date2index
(to be consistent with num2date and date2num)