matplotlib Code

Minor speed improvements in Agg backend.

remove backwards compatibility kludge for ax.get_position

make a copy of projparams dict, so original is not modified.

Speed improvements for path simplification algorithm.

Fix relim() to properly ignore existing data. (Thanks Darren Dale).

Add more debugging output to the path simplification code.

Fix bug with pie chart slices less than 2.5 degrees.

Fix memory leak in pcolor and pcolormesh. (Thanks Rob Hetland)

rec_join now returns an array that has its rows in the same order as the first record array passed to it.

Fix poly_editor.py