applied Andrew Straw's numpy patch
Yet another revision of aspect-ratio handling.
patch to prevent stroking zero-width lines in svg
Quick hack to make colorbar work with ps backend and 256 colors.
added set current image to pylab
Simplify axes.draw by using zorder more; add frame line on top.
Documentation for colorbar positioning change.
Bugfix in colorbar axes repositioning code.
Fixed bugs in revised color handling, quiver.
Make collections accept flexible mpl color specifications.
