matplotlib Code

revereted to manual array data fill in ft2font.as_array

added array and png helper funcs to mathtext

Fix compiler warnings.

Removing debugging output

Fix silly typo in _png.cpp that broke usetex support.

Forgot this file

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

applied gregors agg resample patch

fixed the font rotation agg bug -- and there was much rejoicing

Be a little more pedantic about sscanf usage and check the return value.