matplotlib Code

Fix cyclical reference leak in Qt4 backend. (Cycle created by a signal).

Use an SVG icon for the Gtk window with pygtk >= 2.8 only, otherwise
use a PNG to avoid the memory leak in rsvg.

Added option (-c) to display cycles including uncollectable garbage.
Displays the total number of Python objects in existence at each
iteration.

Added option (-c) to display cycles including uncollectable garbage.
Displays the total number of Python objects in existence at each
iteration.

Bugfix for PDF writing under Python 2.5. (cp1252 now has a
decoding_table rather than a decoding_map)

Prevent memory leak of FileChooserDialog

Clean up cycles to prevent memory leak.

Specify numpy requirement in README

removed possible backend ambiguity from memleak_gui.py

fix small problems left by rc refactoring