matplotlib Code

preparing to move entire web site to sphinx; things may be whacked for a day or so

fixed data file in rec group by example

fixed data file in rec group by example

added long/short rec array example

point to new sf web server

more fixes to mlab/excel formatters

updates to formatters

Mention the pdf flushing fix in CHANGELOG

When outputting a pdf file on a file object, flush the file at the end

Permit chunking in the backend_agg draw_path() method.
This is experimental, and disabled by default; it can be enabled
by setting the rcParams['agg.path.chunksize'] before a path is
drawn.