patched backend bases line collection to work with newstyle API
fixed a bug in draw_lines, to make compatible with the old API
Now allows inputs to be tuples (not just lists or arrays).
Added another colorbrewer colormap (RdYlBu) - JSWHIT
Added another colorbrewer colormap, RdYlBu.
Updated to use 'np' and 'sp' versions of 'laea'
Updated to use 'nspstere' instead of 'stere'
Updated to use 'npstere' instead of 'stere'
Changed laea example to use 'nplaea'
Examples updated for new aspect handling in axes.py
