matplotlib Code

Use automatic memory management to simplify the code.

Fix broken result image.

_get_unsampled_image now returns a sliced image if possible

docs: add 4 new pyplot functions

docstrings: use standard spelling and capitalization of MATLAB

examples: fix references to MATLAB

docs: be consistent in referring to MATLAB.
For the legal rationale, see Joe Harrington's post to scipy-dev:
http://article.gmane.org/gmane.comp.python.scientific.user/25399/match=matlab+trademark

disable non-functional interactive.py demo: print message and exit.
Otherwise, this demo will hang.

backend_gtk: don't use idle events for draw_rubberband.
Use of idle events for draw_rubberband was a peculiarity of backend_gtk.
When using zoom-to-rect, it often caused a rubberband draw event
to occur after the canvas redraw at the end of the zoom, leaving
the canvas showing the state before the zoom action instead of
showing the result of the action.

[3018198] Fixing the build with clang
Typo in agg causes a template instantiation bug on compilers that actually instantiate everything.