matplotlib Code

Workaround for broken search engine in Sphinx

Add initial support for inheritance diagrams.

use htmlonly directive to cleanup a few items in the pdf document:
link to pdf download
release, date and comment at beginning of each part which was poorly
formatted and somewhat redundant in the pdf document

Add plot directive to include inline plots and their source.

Fix latex doc build by removing some more obscure symbols that aren't
likely to be installed and adding "txfonts" to preamble.

Fix some mathtext scaling bugs
Add new mathtext symbols
Use mathtext to render math in the docs (the dog-fooding patch!)
Move PNG reading/writing to its own module and remove it from
_backend_agg and _image

Add some CSS so that there are lines above classes and methods in the
auto-generated docs.

Add transformations/paths information to developer docs.

added readme to describe doc organization

renamed docs dir to doc