matplotlib Code

minor reorg f prex dir

search in lib64 too.

added primes demo

added filter examples

added butter and filtfilt

add to contributors list

try to automatically detect GEOS lib location (instead of forcing user
to set GEOS_DIR env var). On Leopard, env vars don't get passed by
sudo.

really color by pop rank

Updating CHANGELOG.

Merged revisions 4653-4668 via svnmerge from
http://matplotlib.svn.sf.net/svnroot/matplotlib/trunk/matplotlib

........
r4653 | mdboom | 2007-12-06 14:10:12 -0500 (Thu, 06 Dec 2007) | 2 lines

[ 1841933 ] font_manager.win32FontDirectory() fails as Vista service
........
r4654 | dsdale | 2007-12-06 14:18:49 -0500 (Thu, 06 Dec 2007) | 2 lines

updated references to mpl data directories for py2exe
........
r4658 | dsdale | 2007-12-06 17:28:27 -0500 (Thu, 06 Dec 2007) | 4 lines

let widgets.Cursor initialize to the lower x and y bounds
rather than 0,0, which can cause havoc for dates and other
transforms
........
r4665 | efiring | 2007-12-07 02:12:33 -0500 (Fri, 07 Dec 2007) | 2 lines

Clarify docstrings on Subplot classes; closes 1659419
........
r4667 | mdboom | 2007-12-07 14:05:11 -0500 (Fri, 07 Dec 2007) | 4 lines

[ 1697287 ] imshow on log axes broken if axes limits != image extent
Adds a warning when an image is used on non-linear axes. Doesn't
really address the problem (see bug report for the reason.)
........