matplotlib Code

Speed up do_nothing_show test for interactive use, which was dominating startup time.

Fix caching of findfont results.

Minor fixes to text docstrings, and to make getters and setters completely symmetric.

[204515] References to __doc__ break with -OO and in py2exe

Fix DraggableRectangle event handling example to no longer use the (now removed) Rectangle.xy property.

Add short circuit for font lookup

Add nearest neighbor search for fonts.

Update TkAgg and GtkAgg extensions to match yesterday's refactoring in backend_agg

Reduce heap allocation of objects. Be safer when forced to do heap allocation. Remove some dead code.

Removed TODO (this has been implemented).