added ability to label parallels on Mollweide, meridians+parallels on Robinson.
Updated docstring example.
Changed example in docstring, fixed drawmapboundary.
Added suppress_ticks keyword to Basemap.__init__
Added Mollweide and Robinson projections.
docstring fixes.
Added support for orthographic projection.
fixed docstring typo
remove non-ascii characters.
Added check for numarray version. greatcircle now can deal with ellipsoids.
