matplotlib Code

generalized fill between poly collection

added some helper functions for poly collections and masked regions

patches: allow partial rings with Wedge

update backend_driver for new location of two_scales.py

Include output images in examples in documentation.
Add "-*- noplot -*-" markers to examples where we don't want that.
The "plot" documentation directive now takes a path relative to the doc/ directory, not doc/pyplots.

moved two scales example to api

minor formatting tweaks

added thinner logo, removed mpl icon from matplotlib home

[ 2165316 ] importing pylab overwrites x
[ 2163348 ] error in mathtext_examples.py
[ 2156924 ] Typo: Missing parenthesis
[ 2135925 ] API example barchart_demo.py small error

more screenshot updates