Overview of the matplotlib src tree===================================This is the source directory for matplotlib, which contains thefollowing files and directories.* doc - the matplotlib documentation.  See doc/users for the user's  documentation and doc/devel for the developers documentation* examples - a bunch of examples using matplotib.  See  examples/README.txt for information* setup.cfg.template - used to configure the matplotlib build process.  Copy this file to setup.cfg if you want to override the default  build behavior* matplotlibrc.template - a template file used to generate the  matplotlibrc config file at build time.  The matplotlibrc file will  be installed in matplotlib/mpl-data/matplotlibrc* lib - the python src code.  matplotlib ships several third party  packages here.  The subdirectory lib/matplotlib contains the python  src code for matplotlib* src - the matplotlib extension code, mostly C++* ttconv - some truetype font utilities* license - all the licenses for code included with matplotlib.  matplotlib uses only BSD compatible code* unit - some unit tests* CHANGELOG - all the significant changes to matplotlib, organized by  release.  The top of this file will show you the most recent changes* API_CHANGES - any change that alters the API is listed here.  The  entries are organized by release, with most recent entries first* MIGRATION.txt - instructions on moving from the 0.91 code to the  0.98 trunk.* SEGFAULTS - some tips for how to diagnose and debug segfaults* setup.py - the matplotlib build script* setupext.py - some helper code for setup.py to build the matplotlib  extensions* boilerplate.py - some code to automatically generate the pyplot  wrappers* DEVNOTES - deprecated developer notes.  TODO: update and move to the  doc/devel framework* FILETYPES - This is a table of the output formats supported by each  backend.  TODO: move to doc/users* INTERACTIVE - instructions on using matplotlib interactively, eg  from the python shell.  TODO: update and move to doc/users.