Tests starting with a c are all now PEP8 compliant.
Most tests starting with a are now PEP8 compliant.
All tests starting with a p now PEP8 compliant.
Reverted PEP8 fix on bbox_tight test.
Fix building Python integers from size_t values

Use the `n` format specifier instead of `l` to build Python integer or long integer objects from size_t values.
Update distribute_setup.py to 0.6.44
Update stackplot docs for legend capabilities

The docs now state that creation of a proxy artist is the preferred method for
creating legends on stackplots.  This is because stackplot creates
PolyCollection objects which are not supported by the legend
brought backend_qt4.py into pep8 compliance.

Not confident that the change to line 399 is the correct thing to do
here.
brought ../backends/backend_qt4agg.py into pep8 compliance
brought qt4_compat.py into pep8 compliance
minor indentation fix
docstring formatting fix
Merge pull request #2153 from tacaswell/qt4_pep8

Qt4 pep8
Change anchored_artists.AnchoredSizeBar: docstring, vertical size, color

- Add size_vertical variable, which sets the height of the size bar.
- Add color argument, which change the color of rectangle bar (not the
  label, need to figure out how to do that).
- Docstring: listing the possible arguments and adding an example.
Change anchored_artists.AnchoredSizeBar: put label over rectangle

Add variable label_top to change the position of the label from below
the rectangle to over the rectangle
Closes 1752. Patch3DCollection can now be empty.

Also improved the Patch3DCollection constructor.
Added labels to images in the gallery

- Right now it's just the filename of the example
- It should perhaps be a string that we define in the example file
  (like in scikits-image / scikits-learn)
Merge pull request #2130 from mdboom/distribute-to-setuptools2

Update distribute_setup.py to 0.6.44
Merge remote-tracking branch 'upstream/v1.3.x'
Sprint: Added new external resources page, link from main and content pages