matplotlib Code

Fix mathtex-inside-of-matplotlib install (need to explicitly include mathtex.backends package)

make all-in-one sample data server class cbook.ViewVCCachedServer so it can be reused by other projects

Enable caching for mathtex expressions. This delivers a big performance boost when panning/zooming.

use proper file handle to the sample data

add support for nested dirs in sample_data

add support for nested dirs in sample_data

make a nested subdir for testing

make urllib quote python2.4 compliant

rename mpl_data to sample_data to avoid ambiguity with lib/matplotlib/mpl-data

rename mpl_data to sample_data to avoid ambiguity with lib/matplotlib/mpl-data